изменять(on; мужу, жене); выйти прогуляться(leave a room or building, typically for a short time Val_Ships); выйти наружу(to go out of a place • she stepped out of the house without a coat and nearly froze to deathVal_Ships); выйти из дому(ненадолго; leave a room or building, typically for a short time Val_Ships)
ходить на сторону(It wasn't the first time he'd been accused of stepping out, but the high-profile nature of his relationship with actress Sienna Miller made Law's cuckolding that much more damaging to his career.)