Her lips parted as if she were about to take a deep breath.

她张开了嘴，好像要做深呼吸。

《柯林斯英汉双解大词典》

Her lips were slightly parted.

她的嘴唇微微张开。

《牛津词典》

With lips parted, and eyes dim with wonder, he sat idle in his boat and listened, listening till the sea-mists crept round him, and the wandering moon stained his brown limbs with silver.

微张着口，满眼讶异，他闲坐在小船中聆听，直到海上的薄雾在他身边蔓延开来，徘徊的桂魄在他黝黑的身躯上遍洒银辉。

youdao

Sexy? A little, maybe; those full, slightly parted lips, that windswept hair, the general J. Crew look.

性感吗？或许有一点;,饱满微开的嘴唇，随风飘散的头发，典型美国派的外表。

耶鲁公开课 - 现代诗歌课程节选

His lips parted to say something, but, before he could speak, we heard a rumble of engines ascending in the air out of the south.

NEWYORKER: Rat Beach

There was candid speculation in it, a tolerant smile just parted the lady's lips.

NPR: Excerpt: 'An Infamous Army'

Her lips were slightly parted and a pale shade of blue.

NPR: 'Pretty' Chronicles Drastic Steps to Prevent Cancer