40,inside out =里朝外

　　-Here I am, I am lucky I made it to the exam on time

　　I can see you are in a hurry; you are wearing your sweater inside out

　　41,is ice cold =理所当然

　　-Does Professor Ford always come to class?

　　Is ice cold?

　　42,It never fails =总是发生

　　-It never fails; plan a big picnic and it sure to rain

　　-It never fails it's raining hard outside and I am stark stuck 来自 stick 阻延或推迟 Without an umbrella (困在里面)

　　I'd like to let you have mine, but I have to go out soon

　　43,it's who you know that counts =认识的人起作用

　　-Did you hear that Greg got a job in his uncle's law office?

　　Like they say, it's who you know that counts

　　44,keep an eye =留意

　　-One of the members of the dormitory counselor is quitting, do you know of anyone who would be interested in and taking her place?

　　I am not sure, but I'll certainly keep an eye on for you

　　45,keep from =抑制,防止

　　-No one could keep him from speaking

　　46,keep track of =掌握..的线索,注意动向,通晓世态

　　-You certainly have a lot clocks there seems to be one in every room

　　My family gives them to me because I have trouble keeping track of the time

　　47,knock oneself out =使自己筋疲力尽

　　-Gorier has been knocking herself out on that project

　　48,last = 最不情愿的

　　-The last person I want to see is Jeff

　　-Would you like to come mountain climbing with us?

　　That's the last thing in the world I ever want to do

　　-I thought Paul might be able to help me figure out this computer program

　　Paul is about the last person I'd ask if I were you

　　49,lay off =临时解雇,暂时辞退

　　-I got some bad news today

　　The store where I work is laying off staff

　　Are they going to let you go?

　　50,leave much to be desired =不令人满意,有待改善

　　-Well dietitians(营养学家) work hard to offer students nutritious and well-balanced diet

　　Many of our young men and women claimed that brandy Bramley food like most dorm food leaves

　　Much to be desired

　　51,light up =突然快活,高兴起来

　　-Those flowers light up the whole room

　　52,like apples and oranges =用来表示无法相比的事物

　　-Which game do you think is more difficult to learn, chess or bridge

　　They are like apples and oranges

　　53,line up =准备停当,计划安排

　　-I have this great job lined up to manage the closing door clothing store at them all at the mall

　　=排列起来,排成队

　　-Look at all those cars lined up for the ferry (等待摆渡); There must be forty ahead of us

　　Yeah, I think it's going to be a while

　　54,live by oneself =独自一人生活

　　-Mary said she wanted to live by herself

　　55,look for a needle in a hay stack =大海捞针

　　-We are supposed to meet John here at the train station

　　That's like looking for a needle in a hay stack (干草堆)

　　56,look forward to =盼望,期待

　　-I am really looking forward to the picnic tomorrow

　　If we are lucky we'll have some sun this year for a change

　　57,look into =调查,审查,研究

　　-Martin is looking into the possibility of getting alone getting a loan(贷款)

　　58,look over =检查,查看

　　-The professor asked us to look over our papers for mistakes

　　59,look up to =把某人当作好榜样模仿 , 尊重,尊敬

　　-Dianna looks up to her teacher

　　-I hear your older sister is on the Olympic team and on the honor's list; she must be quite a person

　　She sure is, I've always looked up to her

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