Do as most men do and men will speak well of thee. 为众之所为，受众之所夸。

Do as the Romans do(or Do as they do at Rome). 入乡要随俗。

Do as you would be done by. 推己及人。

Do business, but be not a slave to it. 要做事，但不要做事务的奴隶。

Dog does not eat dog. 物不伤其类。

Dogs that bark at a distance bite not at hand. 远处叫得凶的狗，不会近身来咬人。

Dogs that run after many hares kill none. 多谋寡成。

Dogs wag their tails not so much in love to you as your bread. 狗摇尾巴，爱的是面包。

Doing is better than saying. 行胜于言。

Do in Rome as the Romans do. 入乡随俗。

Do not all you can, spend not all you have; believe not all you hear; and tell not all youknow. 不要为所能为，不要花尽所有，不要全信所闻，不要言尽所知。

Do not cut down the tree that gives you shade. 不要忘恩负义。

Do not despise your enemy. 万勿轻敌。

Do not give a dog bread every time he wags his tail. 不要有求必应。

Do not praise a day before sunset. 切勿褒贬过早。

Do not run too fast after gain. 不要见利就拼命追。

Do not speak of your happiness to one less fortunate than yourself. 不要向不如你幸运的人述说你的幸福。

Do not swap¹ horses when crossing a stream. 处在危难中，不宜大更动。

Do no through fear of poverty surrender liberty. 不要因为怕贫苦而放弃自由。

Do not to others what you do not wish them to do to you. 己所不欲，勿施于人。

Do not wash dirty linen² in public. 家丑不可外扬。