The child was clearly puzzled at being addressed in such a grown-up way.

这孩子显然对别人用这种成年人的方式称呼他感到纳闷。

《牛津词典》

She looked up with a puzzled frown.

她困惑地皱着眉抬头看。

《牛津词典》

She looked up with a puzzled frown on her face.

她抬头望着，满脸困惑，双眉紧锁。

《牛津词典》

Health officials in Mexico and the United States were puzzled by a virus that combined elements of swine, avian and human influenza.

VOA: standard.2009.12.25

So it's not his death as a person that he's puzzled by.

所以他不是困惑于自己精神的死亡。

耶鲁公开课 - 死亡课程节选

He seems puzzled a lot of the time, a little slow, though slyly amused around women.

NEWYORKER: No Strings Attached

Puzzled for a moment by his own muddled feelings of affection and irritation.

NEWYORKER: Sons and Lovers

Investors who were supposed to be cheered by talk of getting private capital back to India were instead puzzled by a plan for retrospectively levying tax on big firms.

ECONOMIST: Indian politics