众所周知，词汇是GRE考试的基础。那么怎样才能掌握GRE必备的词组呢？新东方小编在这里为大家总结一些常用的核心词组，希望对各位备考有帮助。

　　at the mercy of 任……摆布

　　释义

　　If one person or thing is at the mercy of another, the first person or thing is in a situation where they cannot prevent themselves being harmed or affected by the second.

　　例句

　　Running out of food and fuels, they are at the total mercy of Mother Nature.

　　GRE

　　An institution concerned about its reputation is at the mercy of the actions of its members; because the misdeeds of individuals are often used to discredit the institutions of which they are a part.

　　那些关注自身声誉的机构通常要受到其成员行为的影响;因为人们通常会因为个人的不当行为而指责其所在的机构。

　　更多关于GRE的备考内容，请关注新东方网GRE频道，也可通过下方二维码关注我们的微信平台(微信号：GRE-XDF)。

　　备战2015年GRE考试，新东方最新GRE热课必将成就你的理想。

微信号：GRE-XDF

(编辑：马荟)