Idiom: knock it off
Note: This idiom is used in spoken English. It's a very informal phrase that would be considered impolite (rude) to anyone that you do not know very well.
— Knock it off! You’re making so much noise I can’t concentrate.
— If you don’t knock it off, I’m going to leave. All your teasing was fun for the first hour but now I’m tired.
— Knock it off. Your sister is tired and you're keeping her from sleeping.
— I'm sorry I can't hear anything you're saying. Let me go downstairs and tell the kids to knock it off.
— If you don't knock it off I'm going to tell mom what you're doing.
— I wish I could tell my boss to knock it off but if I do it will be even worse for me.
— I already told you to knock it off once—don't make me say it again or you'll be grounded.
— Your neighbors have told you to knock it off several times. If you continue the loud music we'll have to evict you.
— Knock it off and do your chores right now. I've told you three times to stop doing gymnastics inside the house.
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