1. It's up to you.

　　由你决定。

　　2. I envy [羡慕]you.

　　我羡慕你。

　　3. How can I get in touch with you?

　　我怎样才能够联系到你？

　　4. Where can I wash my hands?

　　请问洗手间在哪里？

　　5. What's the weather like today?

　　今天天气如何？

　　6. Where are you headed [朝…方向行进]?

　　你要到哪里去？

　　7. I wasn't born yesterday.

　　我又不是三岁小孩。

　　8. What do you do for relaxation[消遣、娱乐]?

　　你做什么消遣？

　　9. It's a small world.

　　世界真小！

　　10. It's my treat[请客、款待] this time.

　　这次我请客！