全部

1·I'd like to ask you about STH..

跟您打听一件事。《新英汉大辞典》

2·It's sth. within my duty.

这是我分内的事。《新英汉大辞典》

3·This is sth. additional.

这是外加的东西。《新英汉大辞典》

4·Are you trying to hide sth. from me?

你是不是有什么事想瞒着我？《新英汉大辞典》

5·When you study hard, you'll need sth. to break the routine.

当你进行艰苦的学习时，需要其他活动调剂一下。《新英汉大辞典》

6·If you don't anticipate what may happen, you'll find yourself at a loss when sth. crops up.

你如果没有思想准备，事到临头就会抓瞎。《新英汉大辞典》

7·Have you ever done STH.?

你曾经做过某事吗？

8·Thank you very much for (doing) sth.

十分感谢你（做）的某（事）物。

9·Doing sth. is for sb.

做某事是适合于某人的。

10·It's time to do STH.

某人做某事的时间到了。

(1)be busy doing sth忙着做某事