そう言うわけじゃないんだけどの英語

No, not really.

I didn't mean it that way.

It's not that I am saying this.

I am not saying those kinds of things.

Don't talk like that.

It is a profanity―a blasphemy―to say such a thing.

Don't say that.

It is impertinent of him to say such things.

I didn't say it like that.

I haven't said that kind of thing.

You ought not to say such a thing.

You ought not to say such a thing.

I didn't say that with that intention.

You ought not to say such a thing.

You need not speak so tediously―go into such details.

It is no compliment to say so.

No talking about that!

That goes without saying.

I don't necessarily want to hear that.

You should not make impertinent remarks―not make uncalled-for remarks―refrain from uncalled-for remarks―keep your remarks till they are called for 【イディオム・格言的には：】“keep your breath to cool your porridge.”

I can't tell him that.

It is not too much to say so.

I didn't say that.

It is not good English to say so.

It is beneath you to say such a thing.

It is unlike him to say so.

Such nonsense is out of the question.

It may look like an excuse to say so, but...

You should not despair

Don't say such pathetic things!