1、一个好汉三个帮。
two of a trade seldom agree.
2、同行是冤家。
two wrongs do not make a right.
3、别人错了，不等于你对了。
unity is strength.
4、团结就是力量。
unpleasant advice is a good medicine.
5、忠言逆耳利于行。
until all is over one‘s ambition never dies.
6、不到黄河心不死。
venture a small fish to catch a great one.
7、吃小亏占大便宜。
virtue is fairer far than beauty.
8、美德远远胜过美貌。
walls have ears.
9、小心隔墙有耳。
wash your dirty linen at home.
10、家丑不可外扬。