一ㄧyī山ㄕㄢshān不ㄅㄨˋbù容ㄖㄨㄥˊróng二ㄦˋèr虎ㄏㄨˇhǔ

  1. （諺語）​比喻實力相當或互不相容的兩人不能同在一處。如：「所謂一山不容二虎，今天既然遇著了，我們就在此分出個高下。」

英lit. the mountain can't have two tigers (idiom)​, fig. this town ain't big enough for the two of us, (of two rivals)​ to be fiercely competitive