1·Some people consider a chatty friend friend, others divide his friends into categories.
有些人把见过的能说上几句话的人也叫朋友，有些人把朋友又分为好几类。
2·I heard about it through a friend of a friend.
我通过朋友的朋友听到这事的。
—— 《牛津词典》
3·A true friend or a true friend?
一个真正的朋友或一个真正的朋友？
4·My friend's friend is also my friend.
我的朋友的朋友也是我的朋友。
5·A farmer had a friend and his friend was famous for growing wonderful apple trees.
农夫有一个朋友，他的朋友因为种了很棒的苹果树而出名。
6·A friend in need is a friend indeed.
患难中的朋友，才是真正的朋友。
—— 《新英汉大辞典》
7·The withered oak leaf in the book here recalled the friend, the schoolfellow, who was to be his friend for life.
这本书里枯萎的橡树叶使他想起了他的一个朋友兼同学，同时也是一位终身的朋友。
8·If you can't trust your friend to have a relationship with another person you consider a friend, it's a clear symptom of a problem in your friendships.
如果你不放心介绍你的朋友给另一个朋友认识，这显然是你的友谊出现问题的征兆。
9·Sometimes we are not satisfied with what our friend do, but we will not point it out for fear that we might lose that friend.
有时我们对朋友的所作所为并不满意，但我们不会指出来，因为我们害怕失去那个朋友。
10·She had made a friend, a friend who was going to save her a seat tomorrow.
她交了个朋友，这个朋友明天会帮她留座。