托福考试听力必备习语（1）

break one’s back 辛勤工作
　　be all ears 洗耳恭听
　　be all eyes 目不转睛
　　a wet blanket 讨人嫌的人
　　two thumbs up 举双手赞成
　　a breath of fresh air 使人耳目一新的人
　　Achilles’ heel 致命弱点；个性的瑕疵　　
　　chip in = contribute money　捐献，集资
　　pull one’s leg = tease someone 开某人玩笑
　　go for a song = be sold very cheaply 贱卖
　　a big shot = an important person 大腕儿，大亨
　　sell like hot cakes = sell very well or very quickly 畅销
　　get butterflies in one’s stomach = get nervous 紧张不安
　　be the apple of one’s eye = be very precious to sb. 非常珍贵
　　twenty-four seven = 24 hours a day, 7 days a week = all the time 永远，一直