大家平时时间紧迫，今天北京环球教育罗浩铭老师就利用五分钟时间来让大家认识一些常用习语。

　　在雅思口语考试中，恰当的使用这些习语可以有效的帮助我们提高口语的分数，下面表格中的内容，给我们展示了词汇多样性是如何影响考官评分的。

　　由下往上，分别是7、8和9分在词汇多样性上的描述。大家可以发现，使用一些非常见的词汇以及习语，对语体以及词汇搭配有所认识，但有时词语选择不甚恰当，这是7分的要求。如果我们熟练的使用一些非常见词汇及习语，偶尔欠准确，那我们就符合了8分的要求。少数的同学可以做到自然且准确地使用习语，对于这样的同学，他们已经迈进了9分的门槛。

　　废话不多说，让我们马上来学习一下四个比较受欢迎的习语，来帮助大家提高口语分数。

　　1.Jump (or climb) on the bandwagon

　　Meaning:

　　Join others in doing or supporting something fashionable or likely to be successful.

　　Origin:

　　Bandwagon was originally the US term for a large wagon able to carry a band in a procession.

　　e.g. When your TV show does extremely well, advertisers will be competing to be the first to jump on the bandwagon.

　　当电视节目广受欢迎时，广告商总会争相希望成为第一个赞助商。

　　2.Off (or way off) beam

　　Meaning：

　　On the wrong track; mistaken.

　　Origin：

　　Originally, referring to the radio beam or signal used to guide aircraft. The opposite is on the beam.

　　e.g. I lost the bet as my prediction was way off beam.

　　由于我的预测不靠谱，所以打赌输了。

　　3.At someone's beck and call

　　Meaning:

　　Always having to be ready to obey someone's orders immediately.

　　Origin:

　　Beck in the sense of "significant gesture of command" comes from the verb beck, which is shortened form of beckon and is now found mainly in this phrase.

　　e.g. She is going to be confined to a wheelchair for the next three weeks but she's not complaining as she will have a nurse at her beck and call.

　　虽然在接下来的三个月她都要在轮椅上过度，但她并没有抱怨什么，因为有一个护士随时在照顾她。

　　4.Work like a beaver

　　Meaning:

　　Work steadily and industriously.

　　Origin:

　　The beaver is proverbial for the industriousness with which it constructs the dams necessary for its aquatic dwellings.

　　e.g. She worked like a beaver to empty the house as the new tenant will be moving in tomorrow.

　　因为房客明天就搬进来，所以她在努力的腾空房子。

　　以上就是跟大家分享的几个常用的习语，大家在平时练习的时候就抓紧练起来，永远不要担心自己练得太多，毕竟熟能生巧！