251. (be) equivalent to(=equal in value, amount, meaning) 相等于, 相当于
252. in essence (=in its/one’s nature) 本质上
253. at all events (=in spite of everything, in any case) 不论怎样, 无论如何
254. in any event (=whatever happens in the future)
无论如何, 不管(将来)怎么样
255. in the event that(=if) 假如, 如果.
in the event 结果, 实际情况是(常与but连用)
256. in the event of(=in case of)万一,即使发生..时
257. except 除…以外; besides 除…以外还有..
258. except (=but) 除了。
259. except for (=apart from) 除…以外
260. (an) exception to …的例外
261. with the exception of (=except, apart from) 除去…., 除…以外
262. in excess of (=more than) 超过
263. exchange…for 以…交换
264. exclusive of (=not taking into account; without) 不包括
265. in excuse of 作为…的借口
266. exert…on… 对…施加…
267. exert oneself to do sth. 努力,使劲
268. come into existence (=begin to exist)开始存在;
come into use 开始使用; come into effect开始运转;
come into fashion 开始时新; come into action开始行动;
come into power 开始执政; come into sight进入视野;
come into blossom 开花;
269. (be) in existence存在
come into existence 出现
270. expect…of 在…期望…
271. at the expense of在损害…情况下,以…为牺牲
272. expose…to…使暴露于…, 使…受(危险,风险)
273. be exposed to… 面临…, 受到….
274. beyond expression (=in a manner that cannot be expressed)
无法形容, 说不出的
275. give expression to 表达, 表现
find expression in 表现
276. to …extent 在…程度上
277. in the extreme (= extremely) 极其
278. look sb. in the eye 正视, 打量(某人)
279. close (shut) one’s eyes to不理会,视而不见
280. in one’s mind’s eye 在心目中, 在想象中
281. in the twinkling of an eye 一眨眼,转眼间
282. keep an eye on(=keep a watch on)照看,监视
283. in the eyes of in one’s eyes ( = in the judgment of )
在某人看来, 在某人眼里
284. on the face of it (=judging by what one can see) 表面看来
285. in the face of 面对着(困难等情况)
286. in one’s face当着某人的面;
face to faced面对面; face up to 大胆面向
287. fail in (=be unsuccessful in) 失败
288. in good faith(=honestly, sincerely) 真诚地
289. keep faith with 对…守信用
290. lose faith in 对…失去信心
291. on faith 毫无怀疑地, 依赖地
292. faithful to (=loyal to) 对…忠诚
293. fall into the habit (of) 养成…习惯
294. fall short of (=fail to reach a desired result, standard, etc.)
没达到, 低于
295. familiar with 熟悉,了解
296. have a fancy for ( =like sth. without the help of reason)
(没有道理地)喜欢, 想要
297. take a fancy to (=become fond of) 喜欢
298. by far 远, 非常 (与比较级或最高级连用)
299. far from 远远不是
300. far from 非但不…(而且)
301. in fashion(=stylish, most modern)时兴,流行
302. after the fashion (of) 依照…
303. find fault with(=complain about; criticize)找毛病，对…吹毛求疵
304. at fault (=in the wrong, blamable)有错
305. in favour of 赞成
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…上；
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
