他将所有积蓄投资于那个风险项目是一个不明智的决定。

It was an ___unwise decision to invest all his savings in that risky venture.

给学生施加过多压力是不明智的，可能导致倦怠。

Putting too much pressure on students is ___unwise and can lead to burnout.

她忽视警告的不明智选择导致了严重问题。

Her ___unwise choice to ignore the warnings resulted in significant problems.