foolhardiness
n. 蛮勇；有勇无谋
近义词：stupidity，haste，recklessness，imprudence，idiocy，foolishness，folly，silliness，madness，craziness，rashness，
英英释义
Noun
- the trait of giving little thought to danger
例句
用作名词(n.)
- Courage in excess becomes foolhardiness, affection weakness, thrift avarice.勇敢过度即成蛮勇，感情过度即成溺爱，节俭过度即成贪婪。