他听任孩子们乱跑乱闹,不加管束.He allows his children to run wild.猴子跑出了笼子, 在出售小动物的店里乱闹一气.An enclosure or cage, as for poultry or small animals.学生们乱吵乱闹了一天.The students have been carrying on all day....
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....