Don't panic.
不要慌啊!
It's on the house.
这是免费的.
Don't jump on me.
不要跟我发火.
It's my cup of tea.
这很合我胃口.
Keep your temper under control.
不要发脾气。
He is a fast talker.
他老是说得天花乱坠。
Don't you dare come back again?
你敢再回来！
In doing we learn.
经一事，长一智。
Don't give me your attitude.
别跟我摆架子。
Don't dream away your time.
不要虚度光阴。