1.friend的基本意思是“朋友,友人”,一般没有血缘关系。引申为“同胞”或“自己人”“同盟者”,还可指“极有益或熟悉的事物”。其首字母大写时可表示“(基督教)公谊会教友”。
2.friend可用于在公开场合对人的称呼。
3.friend常与介词of或to连用,表示“…的支持者或赞助者”。
4.be〔make, keep〕 friends with sb 中的主语和宾语不论是单数还是复数, friends总是复数形式。

make friends
交友,建立友谊 form friendships
He has a pleasant manner, and finds it easy to make friends.他态度随和,因此交友很容易。
The little boys fought over a game, and then made friends again.这些小孩子曾为了游戏争吵过,但这时又重归于好了。
Have you made friends with your new neighbours yet?你跟新邻居交上朋友了吗?

His friend happened along.他的朋友恰好来了。
The two friends sat in a corner and chatted about the weather.两个朋友坐在一个角落里,闲谈天气。
An old friend hailed me from across the street.一个老朋友在街的对面向我打招呼。
He could not bear that his friends should laugh at him.他受不了朋友们的嘲笑。
She hasn't determined what friends to invite to her birthday party.她还没有拿定主意请哪些朋友来参加生日宴会。
He groaned out the story of how his friend had been killed.他呻吟着讲述了他的朋友是如何被杀害的。
I couldn't come myself, so I sent my friend.我本人来不了,所以派我的朋友来。
I require to go to the railway station to meet a friend. 我要到火车站去接一个朋友。
She disgraced her family and friends.她使家人和朋友蒙受耻辱。
I came here and searched out an old friend.我到这儿来找到了一位老朋友。
He deceived his friends about his income.他在自己的收入问题上欺骗了朋友。
A friend in need is a friend in deed.患难见真情。
He faithlessly forsook his friends in their hour of need.在最需要的时刻他背信弃义地抛弃朋友。
I encountered a friend on the plane.我在飞机上遇到了一个朋友。
He saluted his friends with a wave of the hand.他挥手向他的朋友致意。
Don't publish the faults of your friends.别张扬你朋友的缺点。
He yelled goodbye to his friends.他向朋友们高喊再见。
She has shown her new ring to her friends.她让朋友们看自己的新戒指。
He spent a pleasant hour in talking with friends.他在和朋友交谈中愉快地度过了一小时。
Who is there—friend or foe?谁在那里——是自己人还是敌人?
At last, among friends, he was free to speak his mind.他终于向自己人倾诉衷情。
Honesty has always been his best friend.忠实可靠一向使他受益匪浅。
Friends, it is with great pleasure that I introduce Mary to you.朋友们,我很高兴介绍玛丽同你们认识。
They are all friends to the cause of world peace.他们都是世界和平事业的支持者。
He is a friend to Mr. White.他常照顾怀特先生。
“We are friends with China.”she replied.“我们和中国是朋友,”她回答说。
He always keeps friends with me.他总是和我保持友好。

be friends with sb, make friends with sb
这两个短语意思有所不同:前者的意思是“是某人的朋友”或“与某人友好”,强调一种状态; 后者的意思是“与某人交朋友”,强调的是一时的动作。试比较:
I'm great friends with him.
我和他很要好。
Haas found it hard to make friends with others.
哈斯觉得和别人交朋友真难。
下面各组中的两个句子意思不同:
He is a friend of mine.
他是我的一个朋友。
He is my friend.
他是我朋友。
A friend of his has just arrived.
他的一位朋友刚刚到达。
His friend has just arrived.
他朋友刚刚到达。

1.形容“好朋友”,可用good, great, old, close, bosom, intimate等词来修饰friend。当所谓的“男朋友”或“女朋友”实际是指“未婚夫”或“未婚妻”时,则常用fiance或fiancee来表示。
2.boy friend和girl friend既可指男女恋爱的对象,也可以只是说明一下朋友的性别。例如:
Her new boy friend is a teacher.她新交的男友是一位教师。
Cage and her girl friend went to the street.凯奇和她的朋友上街去了。
注意也可把boy friend或girl friend合写为boyfriend或girlfriend。

［同义词］   chum, companion, confidant, mate
［反义词］   enemy, foe, opponent
［词源］  ＜古英语frēond(朋友)