fail to 不能，记忆

without fail 必定，务必

in faith 确实，的确

keep faith 守信，忠于信仰

break faith 背信，背弃信仰

fall back on 求助于，转而依靠

fall behind 落在…后面，跟不上

fall for 爱上，迷恋;受骗

fall in love 爱上某人

fall in with 偶尔遇到;同意，赞许

fall into 落入;陷于;河流注入

fall out 争吵;闹翻;结果

fall out of 放弃(习惯等)

fall through 失败，成为泡影

fall to 着手;开始攻击

fall under 受到(影响等);被列为

a far cry 遥远的距离

as far as …那么远，直到;至于

far and away 大大…;无疑地重庆英语四级成绩查询

far and near 远近，到处，四面八方

far from 远离，决不，完全不

in so far as (程度等)就…;至于