know one's stuff
Meaning
To be knowledgeable about and competent at a particular subject or task.
Synonyms
be on the ball
be on one's toes
be needle-sharp
Translations
auf Draht sein
είμαι σβέλτος είμαι διορατικός
être branché
essere in gamba stare all'erta
estar ótimo estar bem-disposto
estar en buena forma
Notes
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