我大惑不解，就是不明白他是怎么做到的。

I'm mystified; I just can't see how he did it.

youdao

我大惑不解。

I was puzzled.

youdao

我大惑不解。

I was baffled.

youdao

我听到…感到大惑不解。

I was confounded to hear that...

youdao

我听到…感到大惑不解。

I was confounded to hear that...

youdao