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Игорь Миг	have an affair
inf.	have a bit on the side (Andrey Truhachev); cheat on (someone Andrey Truhachev); wander (to be unfaithful Andrey Truhachev); stray (have an affair Andrey Truhachev)
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inf.	have affairs (Andrey Truhachev); two-time (Andrey Truhachev)