folly

It would be sheer folly to attempt to cross the desert without enough water and supplies.

(Chinese) 在没有足够水和补给的情况下尝试穿越沙漠纯属愚蠢之举。

The historical novel describes the follies of the young king who spent the nation's gold on parties.

(Chinese) 这部历史小说描述了那位把国家黄金花在派对上的年轻国王的种种荒唐行为。