She lay in bed, contemplating.

她躺在床上冥思苦想。

《牛津词典》

She lay in bed looking frail.

她躺在床上，看上去很虚弱。

《柯林斯英汉双解大词典》

He was in bed with bronchitis.

他身患支气管炎，卧病在床。

《柯林斯英汉双解大词典》

The jester went to Lenore's room. She was in bed but not sleeping.

VOA: special.2009.03.28

It actually seems, based on a quick glance, that about 225 people are still in bed today.

匆匆扫一眼过去，的确好像，今天大约有225个人还在睡觉。

哈佛公开课 - 计算机科学课程节选

I've got a little mental image of my body lying in bed asleep, dreamlessly.

我脑子里有个画面,画面中我躺在床上，高枕无梦。

耶鲁公开课 - 死亡课程节选

How did you go to sleep together, when you were lying in bed like this?

NEWYORKER: The Swan

Now completely awake, she lay in bed, agitated, wondering whether she should risk another pill.

NEWYORKER: Shauntrelle

Instead, I stayed in bed with my eyes closed, forcing myself not to moan.

NEWYORKER: The House Behind a Weeping Cherry