恒星英语网为同学们整理了托福听力对话及习语例句大全，供考生参考学习。
keep an eye on something 留意着……，照看着……
keep an eye out for sb. 为某人留意着，为某人照看着
keep current on 保持联络
keep fit 保持健康
keep in shape 保持健康
keep it between the two of us 这事只是你我之间的秘密
keep on 继续坚持
keep the information to oneself 不跟别人说
keep one's opinions to oneself 有想法不跟别人说，自己闷在心里
keep one's thoughts to oneself 有想法不跟别人说，自己闷在心里
keep the noise level down 将噪音的声音保持很小
keep to oneself 有想法不跟别人说，自己闷在心里
keep track of 知道……踪迹，一直知道……
keep up 持续下去
keep up with the pace 跟上节奏
kill time 消磨时间
kind of 没啥实际含义，跟sort of 差不多
knives and forks 刀叉
knock oneself out on something 在……上花大功夫，下大力气
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