unintelligent

That was an unintelligent decision which led to many problems.

那是一个不明智的决定，导致了很多问题。

He asked some very unintelligent questions that surprised everyone.

他问了一些非常无知的问题，让大家都很惊讶。

It was unintelligent to make such remarks, considering the circumstances.

在这种情况下，发表这样的言论是不明智的。