She frowned in puzzlement.

她迷惑地蹙着眉。

《牛津词典》

He frowned in puzzlement.

他迷茫地皱起了眉。

《柯林斯英汉双解大词典》

The officer looked, then shook his head in puzzlement.

那个职员看了看，迷惑的摇了摇头。

youdao

They looked at each other, and then at me, in puzzlement.

BBC: Here be dragons

But this conclusion, even if reached by way of an impeccable philosophy, is in danger of leaving the average Joe, not to mention the average General Carter Ham, Odyssey Dawn's American commander, scratching his head in puzzlement.

ECONOMIST: Lexington

Given Mr Erdogan's reputation as a savvy politician, there is puzzlement in Ankara over why he shifted his ground on the penal code so abruptly.

ECONOMIST: Will Turkey accept Europe? | The