1 each other

2 mutually

3 mutual

1 Tangshan prefecture level city in Hebei

1 surname Shan

1 Jiangshan county level city in Quzhou 衢州[Qú zhōu], Zhejiang

1 surname Xiang

1 lit. the mountain can't have two tigers (idiom)

2 fig. this town ain't big enough for the two of us

3 (of two rivals) to be fiercely competitive

1 traceable to the same stock (idiom); of a common origin (of trends, ideas etc)

1 don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

1 lit. don't fight, won't make friends (idiom); an exchange of blows may lead to friendship

2 no discord, no concord

1 can't recognize Mt Taishan (idiom); fig. not to recognize a famous person