foolhardy
adjective uk/ˈfuːlˌhɑː.di/ us/ˈfuːlˌhɑːr.di/
有勇无谋的，莽撞的
brave in a silly way, taking unnecessary risks
a foolhardy decision 鲁莽的决定
Sailing the Atlantic in such a tiny boat wasn't so much brave as foolhardy. 乘这样一艘小船在大西洋上航行不是勇敢，而是莽撞。
It would be foolhardy to try and predict the outcome of the talks at this stage. 在谈判的现阶段就预测结果显得既愚蠢又鲁莽。
Synonyms: rash reckless