leave no stone unturned 不遗余力;全力以赴

——lynn left no stone unturned in her research, and handed in an excellent paper.(lynn全力以赴做她的研究,交了一篇优秀的论文。)

eg：on cloud nine 沉浸在幸福之中;非常高兴

——marcia looks like shes on cloud nine.do you know what made her so happy? (marcia好象沉浸在幸福之中。你知道她为什么这么高兴吗?)

——she just had a paper accepted for publication.(她有一篇文章要发表了。)

eg：on the tip of ones tongue 一时想不起来,话到嘴边又忘记

——are you sure you cant remember the name of that record? (你肯定记不起来那张唱片的名字吗?)

——its just on the tip of my tongue! (我就是一时想不起来了。

eg：reach the bottom of the barrel 用完,弹尽粮绝

——dont you have any other clean shirts? (你还有其它干净衬衫吗?)

——i guess ive reached the bottom of the barrel.(我想我已经用完了。)

eg：rub sb.the wrong way 使(某人)有点恼火;惹怒;引起反感;烦扰,打搅

——what do you think of our new economics instructor? (你觉得新经济学老师怎么样?)

——i dont know.something about him rubs me the wrong way.(不知怎么的,他有点让我反感。)

eg：scratch the surface 只懂皮毛,很不了解(通常和限制性副词如only, hardly等词连用)

——youve certainly done a lot of research for your project.(你显然对你的课题做了不少研究。)

——it seems like a lot, but actually ive only scratched the surface.(看上去不少,但事实上我只懂一些毛皮。)

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