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。

Be slow in choosing a friend; slower in changing.

选择朋友要审慎，摒弃更要审又慎。

A friend in need is a friend indeed.

患难见真交。

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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 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。

A friend in court is better than a penny in purse.

囊中有钱，不如朝中有友。

A friend is a second self.

朋友是另一个我。

A friend is best found in adversity.

患难见真友。

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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。

A friend is not so soon gotten as lost.

交友慢，失友快。

A friend to everybody is a friend to nobody.

广交友，无深交。