remain in bed

When you sleep in, you remain in bed until later than usual.

睡懒觉当你sleep in时，你在床上呆到比平时晚的时间。

You need to remain in bed.

你需要继续在床上休息.

Participants 849 medical patients aged 60 or more admitted to hospital for congestive heart failure, acute respiratory illness in the presence of chronic lung disease, or acute infectious or inflammatory disease and expected to remain in bed for at least four days.

参与者：849例≥60岁内科患者，住院原因分别为充血性心力衰竭、慢性肺病合并急性呼吸系统疾患、急性炎症性或感染性疾病，预期至少住院4天以上。

He was obliged to remain in bed for a week.

他不得不卧床一周.

He must remain in bed for another two days.

他还必须继续卧床休息两天.

During exams, we took turns to buy meals for our fellow roommates. Those who were not on duty could remain in bed and study all day with their books propped up on their folding desk.

考试期间，我们轮流给室友带饭，没轮到的同学就可以整天待在床上，伏在折叠桌复习看书了。