engage sb to sb 使…与…订婚
get /be engaged to sb 与…订婚
engage oneself to do sth 自愿做…
be engaged in (doing) sth 忙于(做)…
engage with 连接、使吻合
52. equip
equip sb/sth with sth 用…装备…
equip sb for 使…有能力胜任…
sb be equipped to do sth 使某人有能力做…
53. expand
expand in /into 把…扩展/发展/膨胀
expand on sth 阐述/评述
54. fail
fail to do sth 未能做…
fail in doing sth 干…失败
fail in an exam 考试没及格
without fail 一定/务必
55. fall
fall behind 落后
fall down 掉下/倒塌/下降/失败
fall into the habit of 染上…的习惯
fall in love with sb 爱上…
fall to pieces 倒塌/崩溃
fall to the ground 跌倒在地
fall ill /sick /asleep /silent 生病/入睡/不吱声
a heavy fall of rain 一场大雨
have many falls 跌了很多跤
56. feed
feed…on sth /feed sth to …用…喂…
feed on sth 以…为食
feed back 反馈
57. fight
fight for 为…而战
fight against 与…作战
fight with 与…作战/共同对付
fight over 为…而争吵
58. fit
fit in (with) 与…相适应/协调
fit sb /sth in (sth) 安排某人/某事
fit sb /sth out with sth 向…提供所需的东西
fit sb up for sth 诬陷…(犯某事)
be fit for 适合某事
be fit to do sth 适合做…
59. forbid
forbid doing sth 禁止做…
forbid sb to do sth 禁止…做…