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。