But a friend can put a knife in both sides

朋友───friend

A friend that frowns is better than a smiling enemy.───朋友向你皱眉胜过敌人向你微笑.

He said that his friend was an engineer.───他说他的朋友是位工程师.

I met an old friend on the way to work this morning.───今天早上我在上班的路上碰到了一位老朋友.

My feeling toward my new friend underwent a revulsion whenIrealizedhiscrueltyand dishonesty.───当我知道他的残忍与不忠之后,我对这个新朋友的情感有一种突变.

My friend volunteered an interesting piece of news.───我的朋友自动说了一则有趣的消息.

My friend gave me his picture as a memento before going away.───我的朋友在离别前给我一张照片留作纪念品.

You're supposed to be my friend!───你还是我的朋友呢！

What a shitty way to treat a friend!───这样对待一个朋友，真做得出来！

The realisation that the murderer must have been a close friend came as a shock.───意识到杀人凶手一定是个密友,大家都很震惊.

If you drink with a bosom friend , a thousand cups are too few . If you argue with a man, half a sentence is too much.───酒逢知己千杯少, 话不投机半句多.