まぁ、そんなに格好つけるのはやめとけよ。の英語

Oh, come off it.

Oh, come off it.

Don't be so mysterious.

Stop showing off.

Stop being so mean to everyone.

Cut out the nonsense, will you?

In any case please stop using "pretty" when describing a man.

Stop harping on like that.

In any case please stop using "pretty" when describing a man.

Stop looking around so curiously.

Stop acting like such a fool.

Let's stop finding fault with each other.

Don't give yourself airs.

I warn you, once and for all, that this foolishness must stop.

Stop staring at me like that.

Let's not think like that.

I wish you'd quit that sort of super-league stupidity.

Hey, quit complaining.

Hey, stop complaining.

Let's not think like that.

Stop showing off already.

Stop talking nonsense.

You mustn't stoop so low as to do a thing like that.

Let's not think like that.

I think you should stop complaining so much.

Stop prying into my affairs.

Don't be so hard on your son.

Let's not bother with such formalities.

It is not proper that you talk that way.

Wipe that grin off your face.