Phrases with "say"

Are you panning to leave your job?
I'd rather not to say at the moment.

Do you want a coffee?
I wouldn't say no.

Did you speak to Mr Ellis?
Yes, I have to say, he was very rude.

We need a new carpet in the hall.
OK, whatever you say.

I'd rather not to say

a polite way to say you don't want to give somebody some information

I wouldn't say no (to something)

used to say that you would like something or to accept something you are offered

I wouldn’t say no to a coffee.
我倒不介意来杯咖啡。

I have to say

• = I must say
  used to emphasize what you are saying

  I must say, it gave me quite a shock.

• I have to say/admit/confess
  used to show that you are making an honest statement even though it may be embarrassing for you

  I have to say I don’t know the first thing about computers.
  不得不说，我对计算机一窍不通。

whatever you say

use to agree with somebody's suggestion, even if you don't like it, because you don't want to argue about it