May I ask where you are from?

我可以请问你是哪里人吗？

That's very nice of you, but I really can't.

你太客气了，可我真的非走不可。

The work is coming along quite well.

工作进展得相当顺利。

Brown was friendly and easy-going.

布朗待人友善。

Who's in charge here?

这儿谁负责？

After the marathon, most of the competitors looked all in.

跑完马拉松，大多数参加比赛的人显得疲劳不堪。