It perplexed him because he was approaching the question the wrong way.他用错误的方法处理这个问题, 因而感到困惑。

Bankers are perplexed by the sudden rise in inflation.通货膨胀率的突然升高使银行家们迷惑不解。

I wondered whether one did not perplex the issue by overmuch subtlety.我想知道谨小慎微的做法是否不会让问题复杂化。