Facts are stubborn things. 事实是不容改变的东西。

　　Failure is the mother of success. 失败是成功之母。

　　Faint heart never wins fair lady.

　　Fair and softly go far in a day. 谦和稳重，前程远大。

　　Fair faces need no paint. 貌美毋须修饰。

　　Faith will move mountains. 精诚所至，金石为开。

　　Fall sick and you will see who is your friend and who is not. 困难见友情。

　　False friends are worse than open enemies. 明枪易躲，暗箭难防。

　　False tongue will hardly speak truth. 虚伪者不肯说真话。

　　False with one can be false with two. 对一个人虚伪，也会对两个人虚伪。

　　Fame is a magnifying glass. 名誉是放大镜。

　　Fame like a river is narrowest at its source and broadest afar off. 名誉像条河，源头最狭窄，远处最宽阔。

　　Familiar paths and old friends are the best. 熟路好遵循，老友最可珍。

　　Far from eye, far from heart. 离远而情疏。

　　Fast bind, fast find. 保存得好，东西好找。

　　Fasting comes after feasting. 今日有酒今日醉，明日无钱不揭锅。

　　Fat hens lay few eggs. 肥鸡不下蛋。

　　Faults are thick where love is thin. 一朝情意淡，样样不顺眼。

　　Fear is often greater than the danger. 杞人忧天。

　　Fear not the future; weep not for the past. 不要为未来担忧，不要为过去悲泣。

　　Feed a cold and starve a fever. 伤风时宜吃，发热时宜饿。

　　Feed a pig and you'll have a hog. 种瓜得瓜，种豆得豆。

　　Feed by measure and defy physician. 饮食有节制，医生无用处。

　　Few words are best. 少说为妙。

　　Few words, many deeds. 少说话，多做事。

　　Fine clothes make the man. 人要衣装。

　　Fine feathers do not make fine birds. 人不可貌相。

　　Fine feathers make fine birds. 人要衣装，佛要金装。

　　Fine words butter no parsnips. 画饼充饥。

　　Fine words dress ill deeds. 漂亮的言词可以掩饰恶劣的行为。

　　Finished labours are pleasant. 大功告成，好不高兴。

　　Fire and water are good servants, but bad masters. 水火是忠仆，造灾成元凶。

　　Fire proves gold, adversity proves men. 烈火显真金，逆境识英雄。

　　Fire that's closest kept burns most of all. 关得最紧的火，燃烧得最炽烈。

　　Fire, water, and money are good servants, but bad masters. 水火金钱是忠仆，使用不当是祸首。

　　First catch your hare, then cook him. 不要谋之过早。

　　First come, first served. 先来先卖。

　　First impressions are most lasting. 最初的印象最为持久。

　　First think, and then speak. 先想后说。