40、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.

　　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、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.

　　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 .