（单词翻译:单击）
| F | |
| face to face | 面对面地 |
| face up to | 大胆面对 |
| in the face of | 面对,在…面前;不顾,即使 |
| make a face | 做鬼脸 |
| in fact | 其实,实际上 |
| matter of fact | 实际情况,真相 |
| fail to | 未能 |
| fall behind | 落后 |
| fall back on | 求助于,转而依靠 |
| fall in with | 符合,与…一致;碰见 |
| fall out | 争吵,结果是 |
| fall through | 落空,失败 |
| as far as/so far as | 原至,到…程度 |
| by far | …的多,最 |
| far from | 远非,远离 |
| so far | 迄今为止 |
| find fault | 埋怨,挑剔 |
| in favor of | 有利于,便于,赞成,支持 |
| feed in | 输入 |
| be fed up (with) | 感到厌烦 |
| feel like | 欲,想要 |
| a few | 有些,几个 |
| quite a few | 还不少,有相当数目的 |
| fill in/out | 填充,填写 |
| find out | 查明 |
| catch fire | 着火 |
| set fire to | 点燃 |
| on fire | 烧着 |
| at first | 最初,首先 |
| first of all | 首先,第一 |
| flare up | 突然烧起来,突然发怒 |
| as follows | 如下 |
| make a fool of | 玩弄,愚弄 |
| on foot | 步行 |
| in force | 有效,实施中 |
| come/go into force | 生效,实施 |
| and so forth | 等等 |
| set free | 释放 |
| make friends | 交朋友,友好相处 |
| be friends with | 对…友好,与…交上朋友 |
| to and fro | 来来回回 |
| in front of | 在…面前 |
| make fun of | 取笑,嘲弄 |
| make a fuss of | 娇养(某人),过分关怀(某人) |
| in (the) future | 今后,将来 |
