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