softheaded

Buying that used car without a mechanic's check was a softheaded decision.

用法提示：softheaded 用作定语修饰 decision，表示“愚蠢的、欠考虑的”。

She felt softheaded for leaving her keys in the door all night.

用法提示：softheaded 在系动词 felt 后作表语，形容人感到自己愚蠢。

Only a softheaded investor would sell his shares just because of one rumor.

用法提示：softheaded 作定语修饰 investor，意为“缺乏理智的、愚蠢的”。