1、Hello! / Hi!
你好!
2、Good morning / afternoon / evening!
早晨(下午/晚上)好!
3、How are you?
你好吗?
4、Fine, thanks. And you?
很好,谢谢,你呢?
5、Good night.
晚安。
6、See you tomorrow.
明天见。
7、See you later.
待会儿见。
8、I have to go now.
我必须走了。
9、May I come in?
我能进来吗?
10、Come in, please.
请进。