no flies on sb
UK If you say there are no flies on someone, you mean that they cannot easily be deceived.
Thesaurus: synonyms and related words
Wise and sensible
- an old/a wise head on young shoulders idiom
- be a victory for common sense idiom
- canny
- discerning
- discriminating
- far-sighted
- gnomic
- legitimacy
- neatly
- no-nonsense
- out of the mouths of babes (and sucklings) idiom
- perspective
- perspicacious
- right-minded
- sagacious
- sage
- savoir-faire
- sensible
- wise
- wisely
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