1,a while back

　　不久以前,刚才

　　-Sam want to be able to play in the basketball game this week ,yeah he hurt his knee pretty badly a while back ,i don't why he didn't quit right away

　　2,about to

　　正要,正准备

　　-i am about to go swimming

　　3,according to

　　按照,根据

　　-there are a big sales going on at the department store downtown this week according to Chali

　　4,account for

　　说明,解释

　　-how do you account for it

　　5,and how

　　对,当然,那是自然

　　-the concert pianoist is fantastic

　　and how

　　6,as a rule

　　通常

　　-I am not suprised you didn't like that movie,I found it really frightening myself

　　I did too, I don't care much for horror movie as a rule

　　7,at one's service

　　随时效劳

　　-Phil ,could you give me a hand with this file cabinet that belongs against the wall next to the bulletin board

　　at your service

　　8,at the most

　　至多,最多

　　-has Sandy ever missed coming to one of our parties

　　only once or twice at the most

　　9,back and forth

　　来回,往返

　　-most fishes can do this by waving back and forth in snacklike motion

　　-i don't want a raser racer(赛车) or touring bike(山地车) or anything,mostly I will just be using it ,a bike to get me back and forth from work

　　10.backup

　　挡住,堵住

　　-while i was going to come down n Elm street ,but the traffic was really backed up

　　-the subway is running behind schedule and traffic is backed up for blocks,I don't know if we will make the seven fifteen show

　　it's a beautiful night ,let's try to get there on foot ,and if we don't make it,let's just

　　have dinner near the theater

　　好了，以上就是小编为大家整理的托福听力疑难词汇的相关内容。相信大家一定有所收获，希望能在备考的路上助大家一臂之力。最后，小编祝大家在托福考试中取得好成绩!