fal asleep 入睡

I fell asleep when I saw the movie. 当我看这部电影的时候，我都睡着了。

far away (from) （离）……遥远

Now people can keep in touch with their friends far away by e-mail. 现在人们能通过电子邮件和遥远的朋友保持联系。

fil in 填充；填写

Please fill in this application form. 请填写这张申请表。

find out 找出；查明；了解

You should try to find out who is the owner of the watch.你应该尽量找到手表的失主。

for example 例如

Football, for example, is very popular in the world. 比如, 足球在世界上是非常受欢迎的。

for free 免费

Soft drinks are offered to children for free on Children's Day. 在儿童节那天，软饮料免费提供给孩子们。

for the first time 第一次

I met her at the cinema for the first time. 我第一次遇到她是在电影院里。

for the time being 暂时；眼下

I would rather you didn't do it for the time being. 我宁愿你暂时不做这件事。

from time to time 不时；有时

She throws in a word or two from time to time. 她不时地插上一两句话。