1.Those second-hand¹ pianos are selling like hot cakes, if you want one, youd better buy one now before theyre all gone. sell like hot cakes=sell very well or very quickly .

　　2.Whenever I have to make a speech I get butterflies in my stomach. get butterflies in ones stomach=get nervous

　　3 He would do anything for his daughter. She was the apple of his eye. be the apple of ones eye=be very precious to sb.

　　4 Lend me,please,Tom,Im broke at the moment. be broke=doesnt have any money.

　　5 The accident was caused by a taxi driver jumping the green light. jump the green light=doesnt wait for the traffic lights to change to green

　　6.You didnt think I was serious, did you, Joe!　It was a joke! I was pulling your leg, thats all. pull ones leg=tease someone,逗某人玩

　　7 Because the owner wanted a quick sale, the painting went for a song-only. If something "goes for a song", it is sold very cheaply .

　　8 There was a shortage² of food; so you had to pay through the nose for what you could find. To "pay through the nose " for something is to pay far more for something than it is really worth .

　　9 If he finds out what you did with the companys money, hell³ hit the roof. hit the roof=get very angry

　　10 The sky got very dark and soon the rain began to bucket down. bucket down = rain very heavily

　　11 They all chip in for the benefit of Simpsons widow⁴ and little child. chip in=contribute money捐献

　　12.He usually buys his clothes off the peg⁵. Its cheaper than going to a dressmaker. Off the peg clothes =成衣

　　13 Now stop beating about the bush and tell me what happened! beat about the bush=avoid saying directly what you mean

　　14 I really must go and lie down for a while ;Ive got a splitting⁶ headache. Splitting headache=painful headache