もう君もこんなばかげたことはやめる時だよ。の英語

It is time you put a stop to this nonsense.

I have [am] finished with this foolishness.

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

no more Mr. Nice Guy!

You should have completed it long ago.

You should've completed it long ago.

I've had it. Stop nagging.

You can complain till the cows come home, but it's not going to make a bit of difference.

You can complain 'til the cows come home, but it's not going to make a bit of difference.

No more of your meddling, please.

I will no longer yearn for you.

Even you are a guy who doesn't know when to give up.

Stop showing off already.

I guess I'm always hoping that you'll end this reign.

Stop it. You're being ridiculous.

Stop it; you're being ridiculous.

Oh, come off it.

Call off your dogs.

You, quit doing your homework now.

Don't live off your sister any more.

Stop snivelling--you got yourself into this mess!

Don't be so mysterious.

to bring to an end what one has been working on whether it has been completed or not

I think you should stop complaining so much.

It may be fancy, but you seem to have shot up all of a sudden.

There's no need to cry like a child.

Oh, come off it.

I'm really sorry, but I seem to have misplaced your scarf.

It would be wiser of you not to see him again.

Stop prying into my affairs.