sure about的用法和樣例：
例句
- Jane is reliable, but I'm not so sure about Jim.
簡是信得過的，至於吉姆，我就不敢說了。 - Are you sure about that?
這事你能肯定嗎? - I wouldn't be too sure about that.
這件事我不太有把握。 - I'm not really sure about that.
我對此不太肯定。 - Forgive me, but are you sure about the agreement?
請原諒，但是你對那個協議肯定嗎？ - I think the answer's right but I'm not absolutely sure about it.
我認為這答案是正確的，但是沒有絕對的把握。
