「應該吧」「不一定」「現在還說不準」，這些每天都會說的話，換成英文時，你能自然地表達自己的想法嗎？
這篇整理 200 句美式生活口語，從猜測、保留意見，到根據情況做判斷、提出不同看法，以及表達把握與不確定，讓你在日常交流中更清楚地說出自己的意思。
建議先看中文，給自己 5 秒試著說出英文，再播放影片核對。每天練幾句，慢慢把生活英文說得更自然。
01｜應該吧、可能吧、我猜是這樣（1～40）
1. 應該是吧。
I think so.
2. 這個不一定。
Not necessarily.
3. 現在還說不準。
It’s hard to say right now.
4. 我猜應該是這樣。
I guess that’s how it works.
5. 他應該快到了。
He should be here soon.
6. 可能吧，我也不太確定。
Could be, but I’m not sure.
7. 應該沒問題。
It should be fine.
8. 我猜他已經走了。
I guess he’s already left.
9. 搞不好明天就好了。
It might be fine by tomorrow.
10. 這個應該夠用了吧。
That should be enough, right?
11. 看起來應該是這樣。
That seems to be the case.
12. 我猜他只是忘了。
He probably just forgot.
13. 應該不用等太久。
We shouldn’t have to wait long.
14. 說不定他還在路上。
He could still be on his way.
15. 我想應該可以吧。
I’d say that should work.
16. 這樣做大概比較快。
That would probably be faster.
17. 他應該知道這件事。
He should know about it.
18. 我猜是時間搞錯了。
Sounds like someone got the time wrong.
19. 這個應該不是很貴吧？
This shouldn’t be too expensive, right?
20. 說不定還有其他選擇。
There might be other options.
21. 我看今天應該不會下雨。
It doesn’t look like rain today.
22. 可能是我記錯了。
I might be remembering it wrong.
23. 他們應該已經知道了。
They’ve probably heard about it already.
24. 我猜這個比較耐用。
My guess is this one lasts longer.
25. 應該是同一個人吧？
It’s the same person, isn’t it?
26. 搞不好他只是太忙。
He may just be really busy.
27. 這樣應該比較方便。
That should make things easier.
28. 我猜他不會介意。
I doubt he’ll mind.
29. 應該還有剩吧？
There should still be some left, right?
30. 可能是網路出了問題。
It could be a connection problem.
31. 他應該不會這麼早走。
I doubt he’d leave this early.
32. 我猜大家都在等消息。
Everyone’s probably waiting for an update.
33. 說不定這次會比較順利。
This time might go more smoothly.
34. 那應該就是原因了。
That must be the reason, then.
35. 我看這個尺寸應該合適。
This size looks about right.
36. 可能他們今天提早關門。
They may have closed early today.
37. 我猜這個是新款的。
That looks like a newer model.
38. 這件事應該有人在處理了。
Someone’s probably handling it already.
39. 說不定我們想得太複雜了。
We might be overthinking this.
40. 我覺得八成沒錯。
I’m pretty sure that’s right.
02｜不一定、說不準、也許會變（41～80）
41. 到時候還不一定呢。
Things could change by then.
42. 也不一定會這樣。
It might not turn out that way.
43. 現在還不能確定日期。
The date hasn’t been confirmed yet.
44. 這要看當天的人數。
That depends on how many people come.
45. 搞不好價格還會降。
The price could drop even more.
46. 明天的安排可能會變。
Tomorrow’s plans might change.
47. 不是每個人都會喜歡。
Not everyone will necessarily like it.
48. 這次成功不代表下次也行。
It might not work next time.
49. 目前還沒有最後的決定。
Nothing’s been decided for sure yet.
50. 也許他們會改變規定。
They could change the rules.
51. 光看照片還不能確定。
You can’t tell from pictures alone.
52. 這個辦法不見得比較省錢。
That approach might not save money.
53. 天氣預報也不一定準。
Weather forecasts aren’t always accurate.
54. 到時候還得看交通情況。
We’ll have to see how traffic is.
55. 現在答應可能還太早。
It’s probably too soon to commit.
56. 不見得每家店都有賣。
Not every store will carry it.
57. 這個優惠說不定會延長。
They might extend the sale.
58. 就算訂好了，也可能取消。
Even confirmed bookings can get canceled.
59. 目前還不知道誰會來。
We don’t know who’s coming yet.
60. 不一定要買新的。
We may not need a new one.
61. 這種情況每次都不太一樣。
It’s different each time.
62. 他現在沒接，不代表不想談。
Not answering doesn’t mean he’s avoiding you.
63. 這個問題可能自己就好了。
The problem might go away on its own.
64. 也許只是暫時缺貨。
It could just be temporarily out of stock.
65. 不能只看價格來決定。
Price alone doesn’t tell the whole story.
66. 現在還不知道要等多久。
There’s no telling how long it’ll take.
67. 搞不好他們已經換地方了。
They may have moved somewhere else.
68. 這個結果不代表每次都一樣。
The results may vary.
69. 也不是完全沒有機會。
There’s still a chance.
70. 明天能不能去還很難說。
Whether we can go tomorrow is uncertain.
71. 光靠這個還不能判斷。
That’s not enough to tell.
72. 有些細節可能還會調整。
A few details may still change.
73. 這個時間不見得人人方便。
That time may not work for everyone.
74. 也許還會有其他費用。
There could be additional charges.
75. 現在看起來好，不代表一直好。
It may not stay this good.
76. 這件事還沒有正式公布。
It hasn’t been officially announced yet.
77. 搞不好會比預期晚到。
It could arrive later than expected.
78. 不一定要照原來的方式做。
We don’t have to follow the original method.
79. 現在說不準最後要花多少。
The final cost is still unclear.
80. 事情還有可能出現轉機。
Things could still turn around.
03｜我覺得應該、看起來像、八成是這樣（81～120）
81. 我覺得八成是他忘了。
He probably forgot.
82. 看起來應該沒什麼大問題。
It doesn’t look like a major problem.
83. 照這個進度，今天應該能完成。
At this rate, we should finish today.
84. 聽他的語氣，好像不太高興。
He sounds a little upset.
85. 這看起來像是舊款的。
This looks like an older model.
86. 我看他應該不會參加。
I don’t think he’ll be joining us.
87. 照這個價格，應該有折扣。
There must be a discount at that price.
88. 這個聲音聽起來像是樓上傳來的。
It sounds like it’s coming from upstairs.
89. 我覺得這應該是最簡單的做法。
This seems like the easiest approach.
90. 看樣子他們已經開始了。
Looks like they’ve already started.
91. 這道菜聞起來應該很好吃。
This smells like it’s going to be delicious.
92. 他臉色不太好，可能沒睡好。
He looks like he didn’t sleep well.
93. 我看這條路應該比較快。
This route looks faster to me.
94. 照這樣看，應該還要幾天。
Looks like it’ll take a few more days.
95. 這個包裝看起來像被打開過。
This package looks like it’s been opened.
96. 我想他應該是認真的。
I get the feeling he’s serious.
97. 這個尺寸看起來有點偏小。
This size looks a little small.
98. 照目前的情況，應該不用取消。
It looks like we won’t need to cancel.
99. 他的意思大概是想晚點再談。
Sounds like he’d rather talk later.
100. 看起來有人先來過了。
Looks like someone’s been here already.
101. 我估計這份餐點夠兩個人吃。
This should feed two people.
102. 這個味道聞起來像是燒焦了。
Something smells like it’s burning.
103. 我看這台機器應該需要清理。
This machine looks like it needs cleaning.
104. 從他的反應來看，應該不知道。
Judging by his reaction, he doesn’t know.
105. 這個地方看起來不太好停車。
Parking looks difficult around here.
106. 照這個用量，應該能撐一個月。
This should last about a month.
107. 我猜問題可能出在設定上。
The settings could be causing the problem.
108. 這個做工看起來還不錯。
The build quality looks pretty good.
109. 看他這麼開心，應該有好消息。
He must have some good news.
110. 這個聲音聽起來像是風扇。
That sounds like a fan running.
111. 我看我們應該先留一份。
We’d better save one for later.
112. 照這個速度，很快就會用完。
At this rate, we’ll run out soon.
113. 看樣子今天的客人不多。
Looks like business is slow today.
114. 我覺得他應該已經收到通知。
He must have gotten the notice already.
115. 這件衣服看起來應該會縮水。
This fabric looks like it might shrink.
116. 照他的說法，事情應該解決了。
According to him, it’s been taken care of.
117. 看起來這次比上次容易多了。
This looks much easier than last time.
118. 我看這家店應該快打烊了。
This place looks like it’s closing soon.
119. 照現在的天氣，晚上可能變冷。
It might get colder tonight.
120. 整體看起來，應該是在改善。
Overall, things seem to be improving.
04｜不太可能、我不這麼認為、恐怕不是（121～160）
121. 我看不太可能。
I don’t think that’s very likely.
122. 我對這件事有點懷疑。
I’m a little skeptical about that.
123. 這可不一定是真的。
That might not be true.
124. 我不覺得他會答應。
I doubt he’ll agree.
125. 恐怕不是你想的那樣。
I’m afraid that’s not quite right.
126. 這個價格不太可能再低了。
I doubt the price will drop further.
127. 我不認為問題在這裡。
I don’t believe that’s the problem.
128. 光靠運氣恐怕不行。
Luck alone probably won’t be enough.
129. 這看起來不像是全新的。
This doesn’t look brand new.
130. 我對這個解釋不太信服。
I’m not convinced by that explanation.
131. 恐怕今天不會有結果。
We’re unlikely to hear anything today.
132. 他應該不至於忘記這麼重要的事。
I doubt he’d forget something that important.
133. 這種材料應該不適合放在外面。
That material probably isn’t suitable for outdoor use.
134. 我不認為現在換會比較好。
Switching now doesn’t seem any better.
135. 要一天做完恐怕不太現實。
Finishing in one day seems unrealistic.
136. 這應該不是原廠的吧？
That doesn’t look like the original.
137. 他平常很準時，應該不是故意遲到。
He’s usually punctual, so it’s probably unintentional.
138. 我不太相信這個數字準確。
I doubt that number is accurate.
139. 這樣做恐怕省不了多少錢。
That probably won’t save much money.
140. 我看不是電池的問題。
I don’t think it’s the battery.
141. 他不太可能現在還在辦公室。
He’s unlikely to still be at work.
142. 我懷疑這個消息已經過時了。
That information might be outdated.
143. 恐怕沒有那麼容易解決。
It may not be that easy to fix.
144. 這個辦法不見得有效。
I’m not sure that would work.
145. 我看他不是在開玩笑。
He doesn’t seem to be joking.
146. 這家店應該不會開到那麼晚。
I doubt they stay open that late.
147. 我不認為需要買這麼多。
I don’t see why we need so much.
148. 這個要求恐怕很難做到。
That request may be hard to meet.
149. 我覺得這不是最好的時機。
This doesn’t seem like the right time.
150. 他應該不會為這點小事生氣。
I doubt he’d get upset over that.
151. 光看外表，恐怕不準。
Looks alone can be misleading.
152. 我不覺得這樣會比較快。
I doubt this would be any faster.
153. 這個方案恐怕超出預算。
That plan may be over budget.
154. 他說的話不一定全都對。
He might not be right about everything.
155. 我懷疑這樣做會不會更麻煩。
I’m worried this might complicate things.
156. 今天應該不會有那麼多人。
I doubt it’ll be that crowded today.
157. 這件事恐怕不是巧合。
I don’t think that’s a coincidence.
158. 我不覺得有必要重新買。
I don’t see a need to replace it.
159. 這個問題恐怕不是換零件就能解決。
Replacing a part probably won’t fix it.
160. 我看我們可能高估了效果。
We may have overestimated the results.
05｜我敢肯定、應該沒問題、還不能確定（161～200）
161. 我敢肯定他知道。
I’m sure he knows.
162. 應該不會花太久。
It shouldn’t take too long.
163. 我不敢說得太肯定。
I wouldn’t say that for sure.
164. 據我所知是這樣。
As far as I know, that’s right.
165. 我可能搞錯了，但我記得是明天。
I could be wrong, but I think it’s tomorrow.
166. 這個我很有把握。
I’m pretty confident about this.
167. 我確定昨天還看得到。
I know I saw it yesterday.
168. 應該可以照原計畫進行。
We should be able to stick to the plan.
169. 這個消息還沒得到證實。
That news hasn’t been confirmed yet.
170. 我很確定自己沒有按錯。
I’m certain I pressed the right button.
171. 這次應該不會再出問題。
We shouldn’t have the same issue again.
172. 我不能確定他現在有沒有空。
I can’t say if he’s available right now.
173. 這個日期我記得很清楚。
I remember that date clearly.
174. 明天應該能收到包裹。
The package should arrive tomorrow.
175. 我對這個結果還沒有把握。
I’m still unsure about the outcome.
176. 他一定知道鑰匙放在哪裡。
He must know where the keys are.
177. 如果資料齊全，應該能辦好。
It should go through with all the documents.
178. 我們最好再確認一次。
We’d better check one more time.
179. 這一點我可以肯定。
That much I know for sure.
180. 這個地方應該找得到停車位。
We should be able to find parking there.
181. 我還不敢確定會不會參加。
I can’t confirm whether I’ll attend yet.
182. 這份資料肯定不是最新的。
This definitely isn’t the latest information.
183. 再等一下應該就有消息。
We should hear something soon.
184. 我不確定那是不是他的電話。
I’m not sure that was his number.
185. 我很確定這個以前比較便宜。
I’m positive this used to be cheaper.
186. 這個方法應該能解決問題。
This approach should solve the problem.
187. 目前還沒有官方的確認。
There’s no official confirmation yet.
188. 我確定已經付過這筆錢。
I know I’ve already paid that.
189. 應該不需要再跑一趟。
We shouldn’t need to make another trip.
190. 這件事還是問本人比較準。
We’d better ask him directly.
191. 我可以確定不是昨天。
I’m sure it wasn’t yesterday.
192. 這樣安排應該沒有問題。
That arrangement should work fine.
193. 目前還不敢保證一定成功。
There’s no guarantee it’ll work yet.
194. 我記得很清楚，他當時在場。
I clearly remember him being there.
195. 這個應該還在保固期內。
This should still be under warranty.
196. 我還需要更多資訊才能判斷。
I’d need more information to say.
197. 這次的結果我相當有信心。
I’m fairly confident about this result.
198. 只要天氣配合，應該就沒問題。
We should be fine if the weather holds.
199. 這還不是最後確認的版本。
This isn’t the final confirmed version.
200. 目前看來，事情應該會順利。
So far, things look promising.
先看中文，試著自己說出英文，再跟著影片核對。熟悉不同程度的肯定、猜測與保留說法，日常聊天時就能更自然地表達想法，也更容易接續對話。