【问】 有人说只有be sure of的说法，而无be sure about的说法。是这样吗?

【答】 英语里be sure of和be sure about这两种说法都是存在的，而且意思也大致相同：“对……有把握”、“确信”、“肯定”。但是，be sure of可以后跟doing sth.，而be sure about却不能后跟doing sth.，而只能跟表示人或物的名词或代词：

1. George is sure of passing his exam. (RGSE)

乔治确信他能通过考试。

2. If you are not sure of the answer to a question，make the best guess that you can.

要是你对某一问题的答案没有把握，就尽可能地做最好的猜想。

3. I shall certainly be present at the meeting，but I am not sure about my wife.(i. e.whether she will be present.)

我肯定要参加这个会。至于我妻子，我说不准。

4. Do you feel sure about it? (Palmer)

你对这件事有把握吗?

5. I'm not sure about(of)his ability to cope with this. (Chambers)

我对于他处理这件事的能力没有把握。

6. I can't be sure about him. (Duden)

我不可能对他有把握。