excusable assault
excusable assault 可免责的伤害 指在以合法方式为合法行为时，行为人已尽了通常的注意义务且无非法意图，但由于发生意外或不幸而导致伤害他人的后果，对此，行为人可免负责任。
excusable assault
excusable assault
An assault committed by accident or while doing a lawful act by lawful means, with ordinary caution and without any unlawful intent.