用句型学习英语口语 Lesson 55:I'm not sure if...
2009-05-05来源:
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55. I'm not sure if...
我不确定是否······
用法透视
该句在表示怀疑,或者有不太有把握的反对意见时使用。也可以说"I'm not sure whether..."。
支持范例
1. I'm not sure if the book you mentioned is still available.
我不知道你说的那本书还有没有了。
2. I'm not sure if he is qualified enough to be our representative.
我不确定他是否够格做我们的代表。
3. I'm not sure whether he is still living in the city.
我不确定他是否还住在城里。
会话记忆
A: In my opinion, it may be necessary to charge for participation.
我的意见是有必要让参加者付些费用。
B: I'm not sure if that would be wise.
这么做好不好,我没有把握。
A: Then what is your opinion?
那你的意见是什么?
B: Well, maybe we'll go to ask Mr. Johnson. He has the final say.
或许我们该去问一下约翰逊先生,他可以做决定
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