Dog does not eat dog是什么意思啊

Dog does not eat dog.
同类不相残，同时不操戈 ,物不伤其类

Let sleeping dogs lie
别惹麻烦

Go to the sea, if you would fish well.
不入虎穴，焉得虎子。

A cat has nine lives.
猫有九条命；吉人天相。

to say is one thing and to do is another
说是一回事，做是另一回事。/ 说一套做一套

DOG EAT DOG -- "The struggle for survival in life or business turns man into an animal." This variation came later than the original "dog doesn't or won't eat dog," according to Gregory Titelman. Dog won't eat dog "means that people of the same type do not destroy one another. 'canis caninam non est' is Latin for 'a dog doesn't eat dog's flesh' and 'Cane non mangia cane' is Italian for 'dog doesn't eat dog.' In 1602 Shakespeare used the same idea in 'Troilus and Cressida.' First attested in the United States in 'Modern Chivalry' by Hugh Henry Brackenridge (1748-1816). Dog eat dog is of muc