K-4：keep ones fingers crossed 祝愿一切顺利 A:You applied for the scholarship, right? A:你申请奖学金了，是吧？ B:Yes, but Im not sure whether I can with it or not. Im dreaming of such an opportunity. B：是的，但能不能...

K-3：keep ones feet 不摔倒 A:Have you finally learned to skate? A:你学会滑冰了吗？ B:No. It was very hard for me to keep my feet on the ice. B：没有，我很难在冰上站稳。 A:Dont lose heart. Youll succeed in the end. A...

K-2：keep ones ear to the ground 全神贯注地听 A:John! John! A:约翰！约翰！ B:Er... Yes, Madam? B：哦老师。 A:What are you thinking about? You are distracting again. Keep your ear to the ground. A;你在想什么？你又走神...

K-1：keep ones chin up 不灰心 A:I find physies the hardest thing for me. A:我觉得物理对我来说太难了。 B:Keep your chin up, Youll get the hang of it. B：别灰心，你会找到窍门的。 A:Ive tried many times, but there...

J-4：just the job/thing 正是想要的东西 A:Mum, did you see the books Iborrowed from Angela? A:妈妈，你见过我从安吉拉那儿借来的书吗？ B:Yeah. I put them on the top of the cupboard. B:我把它们放到壁柜的最顶层...

J-3：just for laughs 纯属为了高兴 A:How do you like the movie? A:这部电影怎么样？ B:I enjoy it very much. B:我很喜欢。 A:But I think it wont win any prize. A:可我觉得这部电影不见得能得奖。 B:Yes. But it ha...

J-2：jump to it 赶快 A:Jump to it, or well be late. A:抓紧点，要么我们要迟到了。 B:You go ahead, and Ill follow you. B:你先走吧，我随后就到。 A:OK, but you have to be on time. A:好的，但你一定要按时到啊。...

J-1：jack up 提高 A:Im hoping that my teacher will jack up my grade because she likes me. A:因为老师喜欢我，所以我希望他能提高我的分数。 B:Dont dream of it. Shes not that kind of person. B:别做梦了。老师根本不...

I-8：its all Greek to me 一句也听不懂 A:Hi, Jack, how are you getting along with your computer science? A:嗨，杰克，你的计算机学得如何了？ B:I want to quit. B:我准备放弃了。 A:Why? A:为什么？ B:Its all Gree...

I-7：its survival of the fittest 适者生存 A:Where is John studying? A:约翰在哪儿上学？ B:Hes at the Seals Naval Academy. B：席尔斯海军学院。 A:How is he getting along there? A:他在那儿混得如何？ B:Hes having a...