n.愚蠢，愚笨

His actions were a clear demonstration of foolishness.
他的行为明显表现出愚蠢。
She laughed at his foolish attempt to fly without wings.
她嘲笑他无翅膀却试图飞翔的愚蠢行为。
Don't be so foolish, you'll only hurt yourself.
别这么傻，你只会伤害自己。
His foolish decision led to the company's financial ruin.
他的愚蠢决定导致了公司的破产。
The young boy's foolish pranks often got him into trouble.
小男孩的愚蠢恶作剧常常使他陷入麻烦。
It's foolish to ignore the warnings and continue on this dangerous path.
忽视警告继续走这条危险的道路是愚蠢的。
She realized her foolish mistake after breaking the vase.
打破花瓶后，她意识到自己的愚蠢错误。
The king's foolish generosity led to an empty treasury.
国王的愚蠢大方导致国库空虚。
His foolish optimism blinded him to the risks involved.
他的盲目乐观使他忽视了其中的风险。
The teacher scolded the student for their foolish behavior in class.
老师责备学生在课堂上的愚蠢行为。