手伝えないと言ったはずだ。の英語

I told you I don't need it!

to talk unnecessarily

You don't have to say anything you don't want to say.

You shouldn't talk to him.

You guys must not say that.

Some things are better left unsaid.

I must confess my inability to help you.

a discreet condition

Why, didn't I say so?

That is no excuse.

You had better leave it unsaid.

I don't want to say anything.

Don't tell me.

to leave something unsaid

I'm not going to tell you.

I won't tell anyone.

My lips are sealed.

You shouldn't say something rude like that.

There are things that are conveyed even without saying anything.

It is better left unsaid.

It's frustrating that I can't properly express to you what I want to say.

You should not count on what that guy says.

Why, I've told you many times.

There! didn't I say so?

Don't tell anyone [say anything to anyone] about it.

Keep it to yourself [under your hat].

There! Didn't I say so?

You had better leave it unsaid.

Some things are better not said.

I don't know a way to tell that to you.