Drop me a line.

写封信给我

You may leave it to me.

交给我来办。

Your face tells it all.

你的表情透露了一切。

That reminds me.

那提醒了我。

If y ou lose your job I'll lose mine, so we're in the same boat.

如果你失去工作，我也会失去的，所以我们处境相同。

He is hard to please.

他是难以取悦的。