foolhardiness

基本解释

Courage in excess become foolhardiness, affection weakness, thrift avarice.
勇敢过度，即成蛮勇；感情过度，即成溺爱；
In an act of moral foolhardiness,Fan Meizhong set out on a blog his guiding principle: in matters of life and death, it's every man for himself.
出于一种愚蠢的勇气，范美忠在他的博客上坦承他的做事原则是：在生死关头，他从来就是一个自私的人。
Of course I said I would go with my mother, and of course they all cried out at our foolhardiness, but even then not a man would go along with us.
当然，我说我会和母亲一道走。他们也当即为我们的英勇而惊呼起来；但是即便这样也没有一个人愿意和我们一道走。
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But perhaps the electoral calculus has shifted enough to make debating these genuinely challenging issues an act of courage rather than of foolhardiness.
FORBES: Moral Hazard: Corrosively Dissolving Democracy From The Inside