W-4：weigh on ones mind 压在心头 A:There must be something weighing on your mind. What is it? A:你心里一定有事，怎么了？ B:Dad, I lost mums necklace. Im afraid shell scold me. B：爸爸，我把妈妈的项链弄丢了，我...

W-3：water over the dam 无法挽回的过去 A:Look, its all water over the dam now. Lets leave it behind us. A:看，一切都已无法挽回，就别再多想了。 B:Yeah, I know, but its too hard to do. B：对，我知道，但很难做...

W-2：water off a ducks back 全然不起作用 A:How is Grandpa doing recently? A:最近爷爷身体怎么样？ B:Not good. The doctor told him not to smoke again, but it just rolls off him like water off the ducks back! B：不好，医生...

W-1：walt on sb. hand and foot 服务周到 A:Its said that Johns broken up. A:听说约翰离婚了。 B:Really? But his wife has always waited on him hand and foot. B:真的吗？但是他的妻子对他总是照顾得体贴入微。 A:I...

U-7：up to 从事于 A:Do you know what John has been up to since he left school? A:你是否知道约翰离开学校的近况？ B:I only know that he went to Japan two years ago. B:我只知道他两年前去了日本。...

U-6：up to the hilt 彻底 A:Id back him up to the hilt any day. A:我会一直支持他的。 B:Why are so kind to him? B：为什么你对他那么好？ A:Hes my brother. A:他是我哥哥。 B:So thats how it is! Now he is in trouble,...

U-5：up to the eyes 非常忙 A:The poor girl is up to the eyes in study all the day. A：这个可怜的女孩整天忙着学习。 B:Yeah, she has a lot of homework. B：就是。她总有那么多的作业要做。 A:Todays children hav...

U-4：up and about 病后康复 A:How it Tom now? A:汤姆现在怎么样了？ B:Hes out of the hospital and up and about again at last. B:他已经出院了，终于可以下床了。 A:Lets congratulate him on Sunday. A:我们星期天去向...

U-3：up a tree 在困难中 A:I met Mark yesterday. He looked blue. A:昨天我遇到了马克，他着起来很忧郁。 B:Hes been on the gravy train these years, hasnt he? B：这几年他不是一直很走运吗？ A:It belongs to the...

U-2：under the rose 私下地 A:How about the matter? A:那件事怎么样了？ B:I heard it has been finally settled under the rose. B:听说终于秘密了结了。 A:Its the only way to preserve her reputation. A:为了保全她的声誉...