在暴风雨中出海简直是愚蠢至极。

Going out to sea during a storm is complete ___foolishness.

他的愚蠢行为让大家都忍不住笑了。

His ___foolishness made everyone burst into laughter.

他穿着睡衣去开会的行为简直荒谬可笑。

His ___foolishness of wearing pajamas to the meeting was laughable.