这场战争必须速战速决，尽量兵不血刃。This war had to be fought fast and relatively bloodlessly.带锯齿刃的刀a knife with a serrated edge有四面刃头的箭是从石弓发出来的.An arrow with a four - edged head is shot from a crossbow....

“刃”的拼音为：rèn...

“刃”的英语可以翻译为：the edge of a knife, sword, etc.，blade，sword，knife（用刀杀） kill with a sword or knife，knife-edge ...