A danger foreseen is half avoided

A danger foreseen is half avoided.
能预见危险，就已避免了一半。

Danger and delight grow both upon one stalk

Danger and delight grow both upon one stalk.
危险和欢乐本是同根生。

Dally not with women or money

Dally not with women or money.
别拿女人与金钱开玩笑。

Cut your coat according to your cloth

Cut your coat according to your cloth.
量布裁衣；量入为出。

Cut not the bough that thou standest upon

Cut not the bough that thou standest(stand?) upon.
不要砍掉你立足的树枝；不可忘恩负义。

Custom without reason is but an ancient error

Custom without reason is but an ancient error.
没有理由的风俗习惯，只是老旧的错误而已。

注：另有一种写法是没有"an"的。

Custom makes all things easy

Custom makes all things easy.
凡事成习惯就容易做；熟能生巧。

Curiosity is ill manners in another's house

Curiosity is ill manners in another's house.
到别人家里作客，不要对什么都好奇；客人好奇，就是失礼。

Cross the stream where it is shallowest

Cross the stream where it is shallowest.
在最浅处过河；从易处着手。

Crooked logs make straight fires

Crooked logs make straight fires.
弯木能生直火。

Critics are like brushers of noblemen's clothes

Critics are like brushers of noblemen's clothes.
清洁衣物靠刷子，清净思想靠批评。

Creep before you walk

Creep before you walk.
先学爬，后学走；按部就班；循序渐进。

The creditor has a better memory than the debtor

The creditor has a better memory than the debtor.
债权人比债务人有更好的记忆力。

---
Credit ought rather to be given to the eyes than to the ears.
眼见为实，耳听为虚。

Credit lost is like a Venice glass broken

Credit lost is like a Venice glass broken.
信用一旦毁，如破杯难再补。

Credit is dead, bad pay killed it

Credit is dead, bad pay killed it.
总是借钱不还，就会丧失信用。

A creaking gate hangs long

A creaking gate hangs long.
咯吱作响的门才持久；病弱之身往往长寿；小病不断，大病不患。

Craft must have clothes, but truth loves to go naked

2006.06.02 Craft must have clothes, but truth loves to go naked. 狡诈喜遮掩，真理喜坦露。

Craft brings nothing home

2006.06.01 Craft brings nothing home. 狡诈没好处。