Foolhardy investors投资者
Foolhardy Waywardness有勇无谋;勇往直前
foolhardy act鲁莽的举动
foolhardy y有勇无谋的;愚勇的
Be Foolhardy蛮干;一味蛮干
But Foolhardy但有勇无谋
foolhardy teaching蛮教
Foolhardy and daredevil莽撞
Perhaps Foolhardy Individual也许有勇无谋个人
ADJ（形容词） If you describe behaviour as foolhardy, you disapprove of it because it is extremely risky. 莽撞的[表不满]
When he tested an early vaccine on himself, some described the act as foolhardy.
当他在自己身上试验还处于初级阶段的疫苗时，有些人说他的行为是莽撞的。