O-3:on account of 因为 A:Do you think Professor Smith cancel our class on account of the special conference? A:你认为史密斯教授会因为那次特别会议而取消我们的课吗？ B:Not likely. B：我想不可能。 A:How do yo...

O-2:off the top of ones head 信口开河 A:Bob, can you tell me how many students passed the college entrance examination this year? A:鲍伯，你能告诉我今年有多少人考上大学了吗？ B:Off the top of my head, Im afraid I do...

O-1:odds and ends 只言片语 A:You have not finished your composition? A:你的作文怎么还没写完？ B:A few more odds and ends before the conclusion of the artcle. B：还有几句闲言，就可将此文结束了。 A:Why you have...

N-7:nodding terms 不太了解某人或某一主题 A:I think youre from the same school. A:我想你们俩是同校的吧？ B:Yeah. I heard of him years ago. B：是的，我几年前就听说过他。 A:Hes doing a project with my compan...

N-6:no way 绝对无法 A:Ted got a scholarship last term. A:泰德上学期得了奖学金。 B:No way this term. B：这学期他绝对拿不到了。 A:Why not? He is the top student, isnt he? A：为什么？他不是尖子生吗？ B:H...

N-5:no picnic 一件不轻松的事 A:He always treats his homework as a piece of cake. A:他总认为家庭作业十分容易。 B:But you know, our chemistry teachers homework is no picnic. B：但你知道，化学老师的作业可没这么...

N-4:no match for 敌不过 A:Tom is no match for Jack in Mathematies. A:汤姆数学不如杰克。 B:But Jack is no match for Tom in P.E. B:杰克体育没汤姆好。 A:I think math is more important than P.E. A:我觉得数学比体育重要...

N-3:no end 非常 A:Dont tell my sister about my failure. A:我失败的事别告诉我姐姐。 B:Why not? B:为什么呢？ A:If she knows about it, shell keep mocking me. There will be no end of it. A:如果让她知道了，她会没完没...

N-2:nine times out of ten 十之八九 A:Tom isnt at home. When I called him up, nobody answered the phone. A:汤姆没在家，我给他打电话，他家没人接。 B:Nine times out of ten, he is in the cinema. B：十有八九他去看电...

N-1:never say die 别灰心 A:You look rather down these days. Whats the matter? A:你最近看起来闷闷不乐，怎么回事？ B:I failed in the exam on mathematies again. I have tried my best. Maybe I am not cut out for it. B：我的数...