306. be in favour with 受宠, 受偏爱;out of favour with 失宠, 不受宠
307. in one’s favour(=to one’s advantage)对.有利
308. (be) favourable to(=advantageous)有利的
309. fear for (=be afraid for the safety of sb. or sth.) 为…担心
310. for fear of (=in case of; because of anxiety about) 以防, 由于怕
311. in fear of (=afraid for the safety of) 担心
312. feed (sb.) on sth. 靠吃…, 用…喂养
313. be fed up with(=be unhappy, tired about sth. dull) 厌烦, 腻了
314. feel like (=have a desire for) 想要
315. fill in  填写
316. fill out ( =fill in )填写
317. set the world on fire=set the flames on fire(=do sth. remarkable)有突出成就
318. play with fire (=take great risks)干冒险事
319. set sth. on fire(=set fire to sth.)使..着火,放火
320. at first sight(=when first seen)乍一看,一见
321. for the first time 第一次 (作状语)
322. in the first place 首先, 第一
323. fit into 刚好放入
324. fit in with ( = suit , fall into agreement)    合适, 相配, 一致
325. (be) fit for (=right and suitable for) 适合
326. focus on (=concentrate on) 集中在…; focus sth. on  把…集中在…上
327. be fond of  喜欢
328. (be) in force 有效 , 实施
329. go into force 开始生效
330. by force 靠武力, 强行
331. force…on  把…强加给…
332. in the form of 以…形式
333. be fortunate in 幸运,有好运气
334. free of charge 免费
335. be freed from 免受, 没有…
336. in front of 在…前面; in the front of 在…前部
337. furnish…with (=supply) 向…提供
338. in general (=in most cases, usually)通常
339. catch (or get) a glimpse of 瞥见(强调结果) take a glance(or look) at看一眼(强调动作)
340. be good for 对…有好处;对…有作用; be good at 擅长于; be good to 对…好
341. in good time(=early)早早地(做完.到达等)
342. for good (=for ever) 永远地, 长期地
343. take…for granted (=assume to be true)把…认为理所当然的.
344. be grateful to sb. for sth 因…感谢某人
345. on the ground(s) fo (=because of) 由于…
346. fall to the ground (计划.希望等)失败,落空
347. on one’s guard(against) 谨防, 警惕; (be) on guard 站岗
348. guard against (=defend, keep safe)警惕,防止  guard…against 警卫…防止
349. guess at  猜, 估计
350. by guess  靠猜
351. be guilty of 犯有…罪或过失
352. be in the habit of 习惯于
353. break off (a habit) 改掉(某种习惯)
354. break sb. of (a habit)使某人改掉(某习惯)
355. get (fall) into the habit of养成了…的习惯
356. come to a halt (=stop) 停止; 停住
357. at hand 在手边, 眼前(附近)
358. by hand 用手工(做)
359. hand in glove(with) 狼狈为奸, 密切合作
360. in hand 1)在手边 2)(=under control)控制住
361. in the hands of 由…掌握, 控制, 负责
362. live from hand to mouth勉强度日,现挣现吃
363. at the head of 在…的前头