1. I'll be ready in a few minutes.
还有I'll be back. 我一会就回来。也是很简洁的经典句子哦~~
2. I wonder what happened to him.
3. You are just trying to save face.
save face：挽回面子。Don't be afraid of losing your face. 别害怕丢脸。学过疯狂英语的同学可能对这句话再熟悉不过了，呵呵~~
4. His argument doesn't hold water.
None of his arguments seemed to me to hold water.
5. Your face tells it all.
6. The days are getting longer.
7. You've got to do something.
8. I hope this will teach you a lesson.