两败俱伤的英语:cause destruction to both sides; both being defeated and wounded; both sides suffer [lose].; both sides suffered [sustained] great losses (in the fierce battles).; both sides would be lose...
两败俱伤的法语:se battre et subir des pertes de chaque côté;les deux parties aux prises se sont affaiblies(ou : épuisées)mutuellement.