1、a friend to everybody is a friend to nobody。
廣交友，無深交。
2、Admonish your friends in private, praise them in public.
在私底下要忠告你的朋友，在公開場合又表揚你的.朋友。
3、Admonish your friends in private, praise them in public.
在私底下要忠告你的朋友，在公開場合又表揚你的朋友。
4、a friend is not so soon gotten as lost。
交友慢，失友快。
5、A friend is best found in adversity.
患難見真友。
6、A brother may not be a friend, but a friend will always be a brother.
兄弟未必是朋友，而朋友總是兄弟。
7、Between friends all is common.
朋友之間不分彼此。
8、Old friends and old wine are best.
陳酒味醇, 老友情深。
9、The friendship of a gentleman is insipid as water。
君子之交淡如水。
10、A friend is a second self.
朋友是另一個我。
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