I think it's an extremely unwise decision.我觉得这是一个极不明智的决定。

It was an unwise move to upset the Italian.招惹意大利人是一个愚蠢的举动。

I think you're being very unwise.我觉得你非常不明智。

a series of unwise investments in plastics and shipping在塑料和货运方面一连串不明智的投资

That was rather unwise of you.你那样做有些不明智。

He was unwise to travel.他不该去旅行的。

It would be unwise to expect too much.期望过高是愚蠢的。