equal to 相等，胜任
equivalent to 等于，相当于
essential to/for 必不可少
even if/though 即使，虽然
ever so 非常，极其
every now and then 时而，偶尔
every other 每隔一个的
except for 除了……外
expert at/in/on 善于
face to face 面对面地
faculty members 教职员工
faithful to 忠实于
fall flat 平躺在地上
familiar to sb 为……所熟悉
familiar with sth 熟悉，通晓
far from 远非，远离
fatal to 致命的
favorable to 支持，赞成
fearful of 惧怕
feel at home 熟悉
feel blue 心情不好
feel free to 随便
figure out sth. 解决
fit for 适于
flat tire 轮胎没气
flat tire 轮胎没气
fond of 喜欢
for ever 永远
for good 永久地
for the better 好转