hello
hey // 熟人
hi

Good morning.
Good afternoon.
Good evening.
Good night.
good-bye
See you.

Nice to meet you.
Good to see you.

How do you do? // 幸会，非常正式的场合
How are you?
How are you doing?
How is your mother?

Fine./ Very well. // 非常好
Not bad. // 还行
Very bad. / Terrible. // 很不好，糟糕

Thank you.

Thank you very much.

Thanks a lot.

Thanks.

thx.