320. at first sight(=when first seen)乍一看,一見

319. set sth. on fire(=set fire to sth.)使..著火,放火

318. play with fire (=take great risks)干冒險事

317. set the world on fire=set the flames on fire(=do sth. remarkable)有突出成就

316. fill out ( =fill in )填寫

315. fill in 填寫

314. feel like (=have a desire for) 想要

313. be fed up with(=be unhappy, tired about sth. dull) 厭煩, 膩了

312. feed (sb.) on sth. 靠吃…, 用…喂養(yǎng)

311. in fear of (=afraid for the safety of) 擔(dān)心