And as a rule: you can NOT friend your co-workers because then they'll ask you the next day: But I thought we were friends.

有这样一条原则：你不能跟同事成为朋友，不然他们会在第二天问你：我还以为我们是朋友呢。

youdao

Talk to a friend who will really listen and not brush aside your feelings.

跟一个愿意真正倾听并不会置你的感受于不顾的朋友谈谈。

《柯林斯英汉双解大词典》

Miles Hendon stepped in the way and said, "Not too fast, friend."

迈尔斯·亨顿挡住，说：“别太快，朋友。”

youdao

You may give a cold shoulder to a friend who has not kept a promise he made to you.

VOA: special.2009.12.13

It's just like the photograph, perhaps the not very good photograph, that reminds me of my friend Ruth.All right.

就像照片一样,或许拍的不好,但是它能让我回想起我的朋友露丝

耶鲁公开课 - 死亡课程节选

After you part ways, you can turn to your friend and express your frustration that he did not remember you.

你们分开后，你可以向你的朋友表达他不记得你的失落感。

I'm frustrated 课堂 - SpeakingMax英语口语达人

Solove generally advises teachers not to friend students on Facebook, but says that schools and states can only make this a recommendation not a requirement.

FORBES: Why Missouri's Ban on Teacher-Student Facebook Friendships Is Doomed

By May 2010 it was abundantly clear that Erdogan was not a friend of Israel.

CENTERFORSECURITYPOLICY: Dreamy foreign policies

But it is time to see Mr Putin as a challenger, and not a friend.

ECONOMIST: Vladimir Putin takes on democracy, the West and all-comers