by/following all the rules, according to procedure
по всем правилам искусства — using all the secrets/tricks of the trade, (to do smth.) like a pro
by/following all the rules, according to procedure
по всем правилам искусства — using all the secrets/tricks of the trade, (to do smth.) like a pro
Русско-Английский краткий словарь по общей лексике. Russian-English short dictionary of general vocabulary. 2012