1、a life without a friend is a life without a sun.
人生在世无朋友，犹如生活无太阳。
2、be slow in choosing a friend; slower in changing.
选择朋友要审慎，摒弃更要审又慎。
3、a friend in need is a friend indeed.
患难见真交。
4、a father is a treasure, a brother is a comfort, but a friend is both.
父亲是财bai富，兄弟是安慰，朋友兼而有之。
5、a friend exaggerates a man's virtue, an enemy his crimes.
朋友宣扬人的美德，敌人夸大人的罪过。
6、a friend in court is better than a penny in purse.
囊中有钱，不如朝中有友。
7、a friend is a second self.
朋友是另一个我。
8、a friend is best found in adversity.
患难见真友。
10、a friend is never known till a man has need.
不到患难时，永远不能认识真正的朋友。
11、a friend is not so soon gotten as lost.
交友慢，失友快。
12、a friend to everybody is a friend to nobody.
广交友，无深交。
13、true friendship lasts forever.
真正的友谊恒久不变。
14、old friends and old wine are best.
陈酒味醇，老友情深。
15、 between friends all is common.
朋友之间不分彼此。
