think nothing of it
idiomPart ofnothing
think nothing of it — idiom
1. a polite response when someone thanks you for something you have done; also used
1.idiom
Definition
a polite response when someone thanks you for something you have done; also used to say that someone does something difficult without considering it a problem.
Example
"Thank you so much for helping me move." "Think nothing of it — I was happy to help."
Eri thinks nothing of running ten kilometres before breakfast.