impose on

impose on  {v.}

Стараться получить (от того, кто вам помогает) больше, чем то, на что тот рассчитывает.

Don't you think you are imposing on your neighbor when you use his telephone for half an hour?

You may swim in the Allens' pool so long as you do not impose on them by bringing all your friends.

Ср.: TAKE ADVANTAGE.