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1·If you are making a long distance call on a public telephone and run out of money, give the number on your phone to the person you're talking to. Then hang up the receiver and he can call you back.

如果你用公共电话打长途，钱花光了，把你的电话号码给你正在通话的人，然后挂上电话，他会给你回电话的。

2·Time's up. I have to hang up the receiver now.

时间到了，我必须挂断电话了。

3·It's possible you didn't hang up your phone properly. If the receiver was ajar, the line would not have been disconnected.

可能是您没有挂好电话听筒。如果没有放好听筒，通话的线路就不会被截断。