how to say 不打不相识 in English?

不打不相识 = by scratching and biting, cat and dog come together
= out of blows friendship grows
= no discard, no concord

不打不相识这话英语怎么说

不打不相识 = by scratching and biting, cat and dog come together
= out of blows friendship grows
= no discard, no concord