托福听力考试是难点，一旦一个对话听不清就有可能影响全局的发挥。产生蝴蝶效应。所以说考生要多付出精力备考。北京新航道托福频道为大家整理托福听力中常出现的重难点词组，希望帮助大家加深理解这些词组，做题的时候能够轻松以对，下面请看第四组。

　　第四组托福听力重难点词组

　　31,light up ——突然快活,高兴起来

　　-Those flowers light up the whole room

　　32,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

　　33,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)

　　34,live by oneself——独自一人生活

　　-Mary said she wanted to live by herself

　　35,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,来源：北京新航道托福频道

　　-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

　　36,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

　　37,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

　　38,look over ——检查,查看

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

　　39,look into ——调查,审查,研究

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

　　40,on the dot =准时,正点

　　-Did you and a manAmandareally meet exactly five minutes to two in front of the theater?

　　Yes, we were both there on the dot

　　上面为大家讲解了10个托福听力难点词组，量不多，希望大家都能够完全掌握他们。托福考试重要积累和坚持，希望每一位同学都能做到，争取最后的胜利。

　　了解托福培训信息