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)
