20，be attached to 对有感情
A: Im amazed1 that you are still driving that old car of yours. I thought you would have gotten rid of it years ago.
B: It runs well and Ive actually been quite attached to it.
21, back up
1) 累积
The subway is running behind schedule, and traffic is backed up for blocks. I dont know if well make the 6:30 show.
2) 支持
Ill back it up.
22, be bound2 for 到地方
The bus is bound for New England.
23, be myself 找到自我
Im feeling myself again.
24, be burned up 生气
She was really burned up at the news.
25, be hard up for
Im hard up for clothes, but I have a lot of books.
26, be head and shoulders above 好很多
In calculus3, Joe is head and shoulders above his classmates.
27，be in the dark 蒙在鼓里
A: Do you have any idea what his notice is about?
B: Im as in the dark as you are.
28，be stuck 卡住了
I cant get this window open. Its stuck.
29, bite off more than one can chew. 贪多嚼不烂
A: I hear youre taking an advanced physics course this 百度竞价推广ester4.
B: I think Ive bitten off more than I can chew.
30, break new ground 有了新的突破
His architectural design broke new ground in the field.
31，benefit concert 慈善音乐会
We need to let everyone know about the benefit concert, but we dont have much money for advertising5.
32, busy signal 占线
Ive been calling David for the past half hour, but I keep getting a busy signal.
33,between you and me 你我之间，保密
34，call for
A,打电话找
Tom just called for you.
B,预报
The forecast calls for heavy rain again tonight. Arent you glad well be getting away from this for a week?
C,问
Its probably in the new part of town. Well have to call for directions.
35, call it a day 就此结束
A: Im really glad our club decides to raise money for the childrens hospital, and most of the people weve phoned seemed happy to contribute.
B: Yeah, I agree. Now weve gone through all the numbers on our list now, so I guess we can call it a day.
36,cash the check 兑现支票
Have your sister cashed her paycheck?
37,clear off 整理，整理
Its about time we clear off the desk.
38,come down 下起来
