Alice: Oh it's so quiet（安静） tonight! You could hear a pin（针） drop. Gives me a chance to catch up on my reading.

Man: Quick, quick! Get a doctor!

Alice: She's just gone for a break. What's the matter?

Man: I don't know. It's my son. He's stopped breathing.

Alice: Oh no! Wait a minute, I'll just phone for the doctor.

Man: There's no time. You have to give him mouth to mouth（人工呼吸）.

Alice: But I haven't done it before!

Man: You haven't done it before?

Alice: No, not for real. Wait while I find the phone.

Man: No! No, you must do it now!

Vocabulary:

You can hear a pin drop (idiom): It is very quiet

To catch up on something: To do something which you have not had time to do recently

Mouth-to-mouth（人工呼吸）: A shortened version of mouth-to-mouth resuscitation -trying to help someone when s/he has stopped breathing by breathing into her/his mouth