Russian ⇄ English

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Игорь Миг	turn against
inf.	be on someone's back (кого-либо; To be constantly nagging one about something: Ugh, my mom is on my back all the time about my grades, but I just have no interest in the classes I'm taking this semester. КГА)
Makarov.	have at (someone – кого-либо); let fly at (someone – кого-либо); set about (someone – кого-либо); set at (someone – кого-либо); set on (someone – кого-либо); set upon (someone – кого-либо)
напускать кого-либо, что-либо на
Makarov.	have someone, something on (someone – кого-либо)

напускаться на: 50 phrases in 10 subjects

Construction	2
Figurative	2
General	19
Humorous / Jocular	1
Informal	3
Ironical	1
Literature	1
Makarov	15
Obsolete / dated	2
Slang	4