foolhardiness

1. 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。
2. How I cursed the cowardice of the neighbours; how I blamed my poor mother for her honesty and her greed, for her past foolhardiness and present weakness!
   我诅咒村民们的懦弱，也责怪可怜的母亲过于诚实、过于小气，责怪她刚才太糊涂，责怪她现在太虚弱！
3. Marx uses "a mare's nest" surely is a satire of Roscher's arrogance and foolhardiness.
   马克思这里说的“真正歌特谢德的天才发现”，当然是讽刺罗雪尔的傲慢和愚蠢。
4. Such idea verges on foolhardiness.
   这种念头近于有勇无谋。

noun

1. the trait of giving little thought to danger

   Synonym:    recklessnessrashness