dog does not eat dog 同室不操戈，同类不相残

【例句】
As the proverb goes: "Dog does not eat dog." They compromise with one another finally.
正如谚语所说：“同室不操戈。”他们终于互相让步了。

They finally understood the meaning of dog does not eat dog in the same kind, and cooperation was accepted.
他们终于理解了同类不相残的含义，接受了合作。