your friend is the man who knows all about you and still likes you.朋友是什么 就是知道你的一切而又喜欢上你的人(包括你的缺点)。

without a friend the world is a wilderness. 没有朋友，世界就等於一片荒野。

there is no stronger bond of friendship than a mutual enemy.具有共通敵人的友誼最牢固。

there are three kinds of friends: best friends, guest friends, and pest friends.朋友有三种类:亲密无间的朋友,客人一样的朋友,难缠的朋友。

the friendship of a gentleman is insipid as water。 君子之交淡如水。

one friend in a lifetime is much; two are many; three are hardly possible 一生有一个朋友就够了,有两个则太多,三个则很难存在。

keep the old, meet the new; one is gold, another is silver.保有老朋友，认识新朋友；一个是黄金，一个是白银。

in time of prosperity, friends will be plenty; in time of adversity, not one amongst twenty. 富在深山有远亲，穷在闹市无人。

good friends are like bras;snug,supportive and always close to the heart! 好友就像胸罩：温暖舒适，默默的支持着，而且永远贴近我们的心。

friendship multiplies joys and divides griefs. 友谊可以增添欢乐，可以分担忧愁。

friendship is love with understanding. 友谊是爱加上谅解。

friendship cannot always stand on one side. 来而不往非礼也。

better without gold than without friends. 宁可没有金钱，不可没有朋友。

a hedge between keeps friendship green.有一道隔墙会保持友谊常青。

a good book is a best friend who never turns his back upon us. 一本好书，莫逆之交。

a friend to all is a friend to none. 滥交者无友。

a friend is a second self. 朋友是另一个我。

a father is a treasure, a brother is a comfort, but a friend is both. 父亲是财富，兄弟是安慰，朋友兼而有之。

a brother may not be a friend, but a friend will always be a brother.兄弟不一定是朋友,而朋友总象兄弟一样。