28，be stuck 卡住了 [b]　　I can’t get this window open. It’s stuck. [b] [b]　　29, bite off more than one can chew. 贪多嚼不烂 [b]　　A: I hear you’re taking an advanced physics course this semester. [b]　　B: I think I’ve bitten off more than I can chew. [b][b]　　30, break new ground 有了新的突破 [b]　　His architectural design broke new ground in the field. [b][b]　　31，benefit concert 慈善音乐会 [b]　　We need to let everyone know about the benefit concert, but we don’t have much money for advertising. [b][b]　　32, busy signal 占线 [b]　　I’ve been calling David for the past half hour, but I keep getting a busy signal. [b][b]　　33,between you and me 你我之间，保密 [b][b]　　34，call for [b]　　A,打电话找 [b]　　Tom just called for you. [b]　　B,预报 [b]　　The forecast calls for heavy rain again tonight. Aren’t you glad we’ll be getting away from this for a week? [b]　　C,问 [b]　　It’s probably in the new part of town. We’ll have to call for directions. [b][b]　　35, call it a day 就此结束 [b]　　A: I’m really glad our club decides to raise money for the children’s hospital, and most of the people we’ve phoned seemed happy to contribute. [b]　　B: Yeah, I agree. Now we’ve gone through all the numbers on our list now, so I guess we can call it a day. [b][b]　　36,cash the check 兑现支票 [b]　　Have your sister cashed her paycheck? [b][b]　　37,clear off 收拾，整理 [b]　　It’s about time we clear off the desk. [b][b]　　38,come down (雨，雪)下起来 [b]　　The heavy rain is coming down, now. [b][b]　　39, come in first in the race 比赛第一名 [b]　　Not only did Jill come in first in the race but she also had her best running time of the season. [b][b]　　40,come what may 不管怎样 [b]　　We’ll pick you up tomorrow at eight, come what may. [b][b]　　41,cost somebody an arm and a leg [b]　　A: Did you see the diamond ring Bill gave to Linda? [b]　　B: I sure did. It must have cost him an arm and a leg. [b][b]　　42, cut it out 闭嘴 [b]　　I told you to cut it out. [b][b]　　43,be cut out for 生来时做……的 [b]　　Dr. Hamilton doesn’t feel Larry is cut out for the medical profession. [b][b]　　44,department chair 系主任 [b]　　I didn’t write that memo to the department chair. [b][b]　　45,dirt cheap 非常便宜 [b]　　A: You’ve already furnished your apartment? [b]　　B: I’ve found some used furniture that was dirt cheap. [b][b]　　46, do with 用…..凑合; do without 没有……也行 [b]　　You can do with your girlfriend. [b]　　You can do without your girlfriend [b][b]　　47, dog tired 特别累，同义：run down; worn out; out of steam [b]　　I’m dog tired these days. I’m working on seven articles. [b][b]　　48, down jacket 羽绒服 [b][b]　　49，drive somebody up the wall 让某人发疯；同义：drive somebody out of one’s mind [b]　　The sound of all that raffic is driving me out of my mind. [b][b]　　50, fall back on 依赖 [b]　　A: Were you able to understand that French novel without any help from the teacher? [b]　　B: I did pretty well, but I had to fall back on my dictionary occasionally. [b][b]　　51, fill a prescription 按处方抓药 [b]　　Would you please fill this prescription for me? [b][b]　　52, fill in for 代替； 同义：fill one’s place(position, shoes); take the place of; take over Say, Dave, can you fill in for me tonight at the restaurant? I’d like to go out of town. [b][b]