If you think you can win, put up or shut up.
put up or shut up
idiomTo desist from saying something unless one is able to prove it; to act in a manner that makes further talk unnecessary.
He kept bragging about his skills, so his friend told him to put up or shut up.
The politician challenged his opponent to put up or shut up regarding the corruption allegations, demanding evidence instead of mere rhetoric.
- 01
keep one's mouth shut
To keep a secret; to refrain from speaking indiscreetly or carelessly; broadly, to refrain from speaking altogether.
- 02
not to put too fine a point on it
Used to apologize for a possibly impolite statement one is making; to put it bluntly; to express it in plain terms.
- 03
put a band-aid on a bullet wound
To inadequately treat a serious situation.
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put a blanket over
Make (something) seem less serious.
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put a bug in someone's ear
To make a small suggestion or give a hint that causes the listener to act.
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put a damper on
To stop people from enjoying an activity.
- 07
put a foot wrong
To make a mistake.
- 08
put a gun to someone's head
To compel someone (to do something); to create a situation in which someone has no alternative course of action.