I was dropping with fatigue and could not keep my eyes open.

我快要累倒了，眼睛也睁不开了。

《牛津词典》

Mary stood up and tried to keep her eyes open while Mrs. Medlock collected her parcels.

玛丽站起身来，费力地睁开惺忪的睡眼，梅德罗克太太则在收拾她的包裹。

youdao

I ask the mounted patrol to keep their eyes open.

我要求巡逻骑警密切注意。

《柯林斯英汉双解大词典》

Visitors at the lake also keep their eyes open for "Champ."

VOA: special.2009.01.05

Later, as I grew worse, I could see the bags in the daytime with my eyes open and I was gripped by the fear that they were going to fall and drench me with some horrible liquid.

从那以后我的病情越来越糟，白天醒来就看到那些袋子,我担心它们坠下来,可怕的液体流到我头上。

耶鲁公开课 - 1945年后的美国小说课程节选

But eventually overpowered by desire, he forced his eyes open and rushing towards the corpses said 'see you damn wretches, " take your fill of this beautiful sight'" 439c 439c.

不过欲望终究压倒一切，他强迫自己睁开眼,并冲向尸体,说：『看吧死鬼，享受这美丽的景像』,书中。

耶鲁公开课 - 政治哲学导论课程节选

Keep your eyes open for ways to help, partner, and collaborate with other entrepreneurs.

FORBES: Connect

Oknov lay with his eyes open, and frightening thoughts knocked inside his increasingly wooden head.

NEWYORKER: So It Is in Life

Investors diving into this sector of the market should do so with their eyes open.

FORBES: Pick of the Crop