fall out . fall accidentally 脱落
As she picked up the envelope,a key fell out．她拾起信封又掉了钥匙。
fall out .be carried away as waste排除（废物）
The dirty water falls out through a pipe into the sea．污水经管道排入大海。
fall out .quarrel吵架；闹纠纷
Most married people fallout over money．多数已结婚的人为金钱而闹纠纷。
She's always falling out with her neighbour．她老是和邻居吵架。
Don't get angry！ I don't want to fall out with you.别发火！我不想跟你吵架。
fall out .come to pass； happen结果是
Things fell out well．事情的结果很好。
Don't worry！Things will fall out all right in the end．别着急！事情到头来会好转的。
It fell out as we expected．结果正如我们所料。
Everything has fallen out splendidly．一切进展很好。
fall out .leave the ranks or a parade；dismiss from the ranks 离队；原地解散
He was told to fall out．他被叫出队列。
Fall out！就地解散！
Although all of them were exhausted，not a single man fell out．虽然他们大家都很疲劳，但是没有一个人掉队。
fall out .withdraw（from a group of people who are engaged together on some activity）撤出；退出（一伙人所从事的某种活动）
Nine people were working on the project，but two had to fall out because of illness.原来有九个人接这个项目，但是有两人因病不得不退出来。
Two of the team have fallen out，and I don't know who can replace them．已经有两名队员退出，我不知道谁能接替他们。
fall short . be insufficient 不足
The supply is falling short．供给不足。
The rope fell short.绳子不够长。
fall short .fail to measure up to达不到（目标）
The performance they offered fell short of my hopes．他们的表演有负我的希望。
The novel fell short of my expectation．这本小说达不到我的愿望。
fall through . descend accidentally through掉进
The boy fell through the ice and was drowned.这个男孩掉入冰水中淹死了。
fall through . fail to be completed，fail to occur失败；不执行；落空
If your new agreement falls through，the workers in your company will go on strike．如果你们的新协议不落实，贵公司的工人就要罢工了。
I hope the plan doesn't fall through a second time owing to lack of funds．我不希望这项计划因缺少资金再次落空。
We are going on a picnic tomorrow，unless it falls through because of the weather．我们明天要去野餐，除非天气不好去不成。
familiar to . well known to为…所熟知的
English is familiar to him.英语是他的熟门。
The facts are familiar to me．这些事实对我来说是熟悉的。
familiar with . well acquainted with对…了解的；对…熟悉的
He is familiar with English．他通晓英语。
I am familiar with the facts.我了解这些事实。
familiar with . very friendly；close亲热，热呼；顺便
The boss made himself much too familiar with the girl．老板对这位姑娘过分亲热了。
Don't be too familiar with him；he's a dishonest man．不要同他太亲近了，他不是个老实人。
famous for . known widely for； having fame for 以…著名（称）
The town is famous for its hot springs．该镇以温泉著称。
He is famous for his honesty，他以诚实而出名。
far and away . by a large degree；very much大大地；无疑地；最
This is far and away the best book on the subject．这本书无疑是有关这个主题的最好的一本书。
This is far and away the better bargain．这无疑是一笔较为合算的交易。
The fish was far and away the biggest ever caught in the lake．这是从这个湖中曾经捕捉到的最大的一条鱼。
at the moment，he is far and away the best table tennis player in our country．他无疑是我国目前最佳的乒乓球手。
far and wide . far and near .far places and near places；everywhere 远近；到处
From far and near， people moved towards the same spot to attend his funeral．人们从四面八方赶到同一个地方来参加他的葬礼。
His students are scattered far and wide．他桃李满天下。
The news of victory spread far and wide．胜利的消息传到了四面八方。
The superiority of our goods is known far and near．我们货物的优越性远近驰名。
far cry . different截然不同；毫无关系
His last statement a far cry from his first story．他最后的话与最初的叙述简直风马牛不相干。
The first automobile could run， but was a far cry from a modern car．最早发明的汽车虽能跑，但与目前的汽车相比，有天壤之别。
That's an interesting picture，but it is a far cry from great art．那是一幅有趣的画，但还远远算不上是一件伟大的艺术品。