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со знанием дела stresses
gen.	learnedly; with skill; ex professo; in a practiced way (Ремедиос_П); proficiently; craftily; knowledgeably; with great skill; competently (Anglophile); capably (Anglophile); expertly (segu); with an expert hand (Ремедиос_П)
Игорь Миг	shrewdly
busin.	knowingly
crim.law.	knowledgeably with skill (Yeldar Azanbayev); with competence (Yeldar Azanbayev)
inf.	duly (Abysslooker)

со знанием дела: 12 phrases in 4 subjects

Diplomacy	1
General	4
Makarov	5
Slang	2