Knock (someone) down to size
To make a person more humble.The fact that the golfer lost the tournament helped to knock him down to size.
Knock (someone) dead
To put on a stunning performance for someone.The performance of the jazz group knocked the audience dead.
Knock (someone) around knock around (someone)
To mistreat someone.The boy was sent home from school for knocking around another member of the class.
Knock (some) heads together
To scold some people.The coach decided to knock some heads together in order to improve the team.
Knock oneself out (doing something)
To make a great effort doing something.We knocked ourselves out trying to make the party successful.
Knock one`s head against a (brick) wall
To waste time trying to do something with no success.The company manager's have been knocking their heads against a wall trying to solve the... Read more →
Knock on wood
To knock on something made of wood to keep from having bad luck.I do not think that I will lose my job knock on wood.
Knock on doors
To look for a job.I have been knocking on doors all month to look for a job.
Knock off work (early)
To quit work (for the day).We knocked off work early so that we could go to the soccer game.
Knock it off!
Stop doing something., Quit doing something.."Please knock it off! You will hurt yourself if you are not careful."