1.Friendship cannot always stand on one side。

来而不往非礼也。

2.A friend is a second self.

朋友是另一个我。

3.A ready way to lose friend is to lend him money。

失友皆从借钱起。

4.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。

5.Friendship is love with understanding。

友谊是爱加上谅解。

6.Good fences make good neighbours。

一篱间隔，友谊常青。

8.When a friend asks， there is no tomorrow。

朋友的要求不要拖。

 9.One friend in a lifetime is much; two are many; three are hardly possible.

10.An empty purse frightens many friends。

囊中无分文，亲友不上门。