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English-Azerbaijani dictionary
know one's stuff
to be skilful/skillful and knowledgeable in one's chosen subject: He really knows his stuff when it comes to French history.
az: işini bilmək
ru: знать своё дело
to be skilful/skillful and knowledgeable in one's chosen subject: He really knows his stuff when it comes to French history.
az: işini bilmək
ru: знать своё дело