81, I have seen worse 我见过更糟的 [b] [b]　　82, in advance 提前；同义：before hand, ahead of time [b]　　It’s a really nice apartment. But the owners want two-month rent in advance and I just don ’t have it. [b][b]　　83, in case 万一 [b]　　Let’s take our suits along in case the sun comes out. [b][b]　　84, in next to no time 马上 [b]　　A: Are you going to be using the copying machine long? [b]　　B: I’ll be through in next to no time. [b][b]　　85, in the red 赤字 反义：in the black [b][b]　　86,in the works 正在准备阶段 [b]　　An advanced course in theoretical chemistry is the works. [b][b]　　87, keep to oneself [b]　　I’m amazed that you still haven’t gotten to know your neighbors. [b][b]　　88, kill time 浪费时间 [b]　　Gosh, what can we do to kill the next 10 hours? [b][b]　　89, leave…up to somebody [b]　　We’ll have to leave the decision up to him. [b][b]　　90, letter of recommendation 推荐信；letter of reference 推荐信 [b][b]　　91, look on the bright sides of things 看事物的光明面 [b][b]　　92, no kidding 不是开玩笑吧 [b][b]　　93, on the tip of one’s tongue 就在舌尖 [b]　　A: Are you sure you can’t remember the name of that record? [b]　　B: It’s just on the tip of my tongue! [b][b]　　94, quitting time 下课时间 [b]　　I’m glad it’s almost quitting time. [b][b]　　95, take it over 重修 [b]　　Don failed physics and had to take it over. [b][b]　　96, than necessary 比应该的要冷 [b]　　The lab was cooler than necessary. [b][b]　　97, That’s easer said than done. 说来容易做来难 [b][b]　　98, There is nothing to it. 没什么，很容易 [b]　　I can run this projector. There’s really nothing to it. [b][b]　　99, with flying colors 成功 [b]　　A: How did Ellen do on her American History exam? [b]　　B: She passed with flying colors. [b][b]　　100, You can bet your life 当然 [b]　　A: Will Prof. Smith come to class on time? [b]　　B: You can bet your life.[b][b]