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быть опытным человеком stresses
gen.	be up to a thing or two; know a thing or two; know beans; know black from white; know chalk from cheese; know the ropes; know one's way about; know what is what; know what o'clock it is; know what's what; up to a thing or two
idiom.	know how many beans make five (Yeldar Azanbayev)

быть опытным человеком: 2 phrases in 2 subjects

General	1
Makarov	1