基本解释adj.鲁莽的；有勇无谋的同根派生 英汉例句用作形容词 (adj.)It was foolhardy to go swimming alone.独自一人去游泳真是鲁莽.The foolhardy Zaarin even had the audacity to strike against the Emperor himself.有勇无谋的扎林甚至厚脸皮到了反击帝国的地步。