think nothing of it
It does not matter, it is not important
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Main Entry: ↑think
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used as a polite reply when someone has thanked you for doing something for them
‘It’s very kind of you to bring me home.’ ‘Think nothing of it.’
Thesaurus: ways of accepting someone's thankssynonym
Main entry: nothing
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Ido not apologize or feel bound to show gratitude (used as a polite response)
II
see nothing
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think nothing ˈof it idiom
Useful english dictionary. 2012.