He frowned in puzzlement.

他迷茫地皱起了眉。

《柯林斯英汉双解大词典》

She frowned in puzzlement.

她迷惑地蹙着眉。

《牛津词典》

In her family, any expression of feeling was frowned upon.

她家里对任何感情的流露都不以为然。

《牛津词典》

"Obviously missile launches of that nature are unhelpful and potentially destabilizing, and are frowned upon by us and others in the region,".

VOA: standard.2009.10.18

I knew you in this dark: for so you frowned Yesterday through me as you jabbed and killed.

在黑暗中我认出了你,刺戮屠杀我的时候，你和昨天一样皱着眉。

耶鲁公开课 - 现代诗歌课程节选

Despite strong influence from the Muslim Brotherhood, many of whose members fled to Qatar from Egypt and Syria in the 1960s and 1970s to serve as teachers and preachers, Qatar's rulers have in practice frowned on organised political Islam.

ECONOMIST: The rise of Qatar

And while it's still acceptable to drink wine at a business lunch here in London, such indulgence is deeply frowned on even in New York.

BBC: A POINT OF VIEW

Pulling out the 15k RPM card this late in the game would usually be frowned upon, but in the case of NHK, its latest development to spin at 15, 000 revolutions per minute has nothing to do with a hard disk drive.

ENGADGET: NHK's 15k RPM optical disc recording system utilizes Blu-ray technology