The assistant pursed her lips.

那女助手噘起了嘴。

《牛津词典》

She pursed her lips in disapproval.

她噘起嘴唇反对。

《柯林斯英汉双解大词典》

She pursed her lips with disgust.

她厌恶地噘起了嘴。

youdao

When he returned to the living room, Riffat raised an eyebrow and pursed her lips.

NEWYORKER: In Other Rooms, Other Wonders

L. pursed her lips and filled in her forms.

NEWYORKER: The Reptile Garden

The stitches were uneven, and Candy waited for Marjorie to stop, or get out her seam ripper, but she continued, her breath coming hard out of her nose as she pursed her lips.

NEWYORKER: The Visitor