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Meaning of know what one is about | Babel Free

Noun CEFR C2

Definitions

Noun. [C2]

Equivalents

Polski znać się na rzeczy

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

know which end is up Know you know-all know-everything know-everythingism know-how