292. faithful to (=loyal to) 對…忠誠
293. fall into the habit (of) 養(yǎng)成…習慣
294. fall short of (=fail to reach a desired result, standard, etc.) 沒達到, 低于
295. familiar with 熟悉,了解
296. have a fancy for ( =like sth. without the help of reason) (沒有道理地)喜歡, 想要
297. take a fancy to (=become fond of) 喜歡
298. by far 遠, 非常 (與比較級或最高級連用)
299. far from 遠遠不是
300. far from 非但不…(而且)
301. in fashion(=stylish, most modern)時興,流行
302. after the fashion (of) 依照…
303. find fault with(=complain about; criticize)找毛病，對…吹毛求疵
304. at fault (=in the wrong, blamable)有錯
305. in favour of 贊成
306. be in favour with 受寵, 受偏愛;
out of favour with 失寵, 不受寵
307. in one’s favour(=to one’s advantage)對.有利
308. (be) favourable to(=advantageous)有利的
309. fear for (=be afraid for the safety of sb. or sth.) 為…擔心
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) 擔心
312. feed (sb.) on sth. 靠吃…, 用…喂養(yǎng)
313. be fed up with(=be unhappy, tired about sth. dull) 厭煩, 膩了
314. feel like (=have a desire for) 想要
315. fill in 填寫
316. fill out ( =fill in )填寫
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)干冒險事
319. set sth. on fire(=set fire to sth.)使..著火,放火
320. at first sight(=when first seen)乍一看,一見
