形容词
1. They were very foolhardy to jump off the bus while it was still moving.
公共汽车还未停定他们就跳下了车，真是太莽撞了。
1. 愚勇的：foolhardiness 愚勇 | foolhardy 愚勇的 | fooling 玩笑言行
2. 有勇无谋的：Intrepid 刚毅的,无畏的,无敌的 | Foolhardy 有勇无谋的 | Clandestine 秘密的
3. 鲁莽的,有勇无谋的：foodstuff 食料,食品 | foolhardy 鲁莽的,有勇无谋的 | foolproof 连傻子都懂的;不会出毛病的
1. 有勇无谋的;蛮干的
If you describe behaviour as foolhardy, you disapprove of it because it is extremely risky.
e.g. 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在初级阶段的疫苗时，有些人说他的行为是蛮干。
e.g. It was foolhardy to have refused.
拒绝是极不明智的。