Dog does not eat dog.
狗不吃狗。
英国谚语
Dog does not eat dog.
狗不吃狗。
Dog eats dog.
狗吃狗。
Dogs that put up many hares kill none.
养很多兔子的狗，一个也杀不了。
Doing is better than saying.
做比说得好。
Don't burn your bridges before they're crossed.
不要过河拆桥。
Don't count your chickens before they are hatched.
不要过早乐观。
Don't cross a bridge until you come to it.
船到桥头自然直。
Don't cross the bridge till you come to it.
船到桥头自然直。
Don't cross the bridges before you come to them.
船到桥头自然直。
Don't dig your grave with your own knife and fork.
不要用你自己的刀叉挖坟墓。
Don't do all you can, spend all you have, believe all you hear, or tell all you know.
不要做你所能做的，不要花你所有的，不要相信你所听到的，不要告诉你所知道的。
Don't drown the man who taught you to swim.
不要把教你游泳的人淹死。
Don't fall before you're pushed.
不要在被推之前跌倒。
Don't go near the water until you learn how to swim.
在你学会游泳之前，不要靠近水。
Don't halt before you are lame.
瘸腿之前不要停下来。