Now, you can friend someone or unfriend them, as the case may be.

现在，你可以“加某人为好友”或者将他们“删除好友”，根据具体情况而定。

In 2009, the Oxford dictionary's word of the year was the verb unfriend.

2009 年，牛津词典的年度词汇是动词 unfriend。

I haven't talked to this guy Jason in years but should I unfriend him?

我已经很多年没和 Jason 这个人说过话了，但我应该和他解除好友关系吗？

I have too many Facebook friends, I need to cut down, unfriend.

我的 Facebook 好友太多，我需要减少，取消好友。

If you could friend someone, it was only natural, according to the productive rules of English word formation, that you could unfriend them, too.

如果你能与某人成为朋友，那么根据英语构词的生产规则，你也可以与他们解除朋友关系是很自然的。