It was a very unwise move.

这样做非常失策。

《新英汉大辞典》

It experienced a complicated and winding period of correctness, unwise move, adjustment and blunders.

它经历了正确、失误，调整、再失误这样一个复杂、曲折的过程。

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"This would be an extraordinarily unwise move by the North Koreans, " Under Secretary of State for Political Affairs Nicholas Burns says.

NPR: North Korea: Sanctions Are a 'Declaration of War'

While this may seem unwise, it may have been a savvy move.

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