Give me a Break.
饶了我吧
example:Give me a break,I'm very tired.
I want to make an airline reservation.
我想预订一张机票。
example:I estimate go home in Labor day,so I want to make an airline reservation.

That professor speaks great English.
那位教授的英语发音非常好
example:The professor speaks great English.I want to be like him.

Don't give me your attitude.
别跟我摆架子
example:Don't give me your attitude,I also can do it by myself.

I must say I am disappointed in it.
我得说我对它感到失望。
example:How do you think about it?I must say I am disappointed in it.

I 'd like to have my photo taken.
我想请人给自己拍一张照。
example:I was pregnant for five months,so I'd like to have my photo taken and keep remembering.