I'll thank you to do something

I'll thank you to (do something)

Used to instruct someone to do something in a polite but firm manner, especially when one is angered or annoyed by someone's words or actions. Often used in the negative. I'll thank you to sit quietly during the proceedings, Mr. Turner, unless directed otherwise by the court. Unless you have a warrant, I'll thank you not to go through my personal items! I'll thank you to keep your opinions to yourself, OK? I can take care of my problems just fine.

See also: thank, to

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I’ll thank you (not) to do something

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I’ll thank you for something/for doing something

(formal, spoken) used when you are angry or annoyed, to ask somebody in a formal way (not) to do something: I’ll thank you not to interfere in my personal affairs.

See also: something, thank, to

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