Death is preferable to slavery不自由毋宁死

Deeds, not words行动胜于空谈

Diamond cuts强中自有强中手

Dictionaries are like watches; the worst is better than none, and the best cannot be expected to go quite true字典就好像手表,最差的总比没有好，最好的悖不能要他走得分秒不差

Do (to others) as you would have others do to you已所不欲，物施于人

Do in Rome as the Romans do入乡随俗

Don't beat a dead horse别再做无用之功　

Don't brush me off不要敷衍我

Don't change horses in midstream过河途中莫换马

Don't count your chickens before they are hatched别打如意算盘

Don't cross the bridge till you come to it不要杞人忧天

Don't let me down别叫我失望

Don't put all your eggs in one basket不要孤注一掷

Don't put off till tomorrow what you can do today今天的事今天做

Don't put the cart before the horse勿本末倒置

Don't quarrel with your bread and butter勿自砸饭碗

Don't speak ill of others behind their backs不要在背后说人坏话

Don't teach your grandmother to such eggs勿班门弄斧

Don't turn me down不要拒绝我

Don't wash your dirty linen in public家丑不出外传

Don't mistake generosity for cowardice勿将宽容误为怯懦

Doubt is the beginning of wisdom怀疑是智慧的开端

Dying is as natural as living生死由命，富贵在天