know what's what
informalIf you know what's what, you have a lot of experience and can judge people and situations well:
Linda's been in the business for 30 years - she knows what's what.
Thesaurus: synonyms and related words
Learning & knowing
- assimilate
- autodidact
- blended learning
- bone up
- brain training
- by-heart
- deskill
- feel
- gen up
- hit
- know better (than sb) idiom
- knowable
- mug
- mug (sth) up
- pick sth up
- quick
- reskill
- revision
- specialize
- tell
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