She was obliged to keep to bed because of a fever.

她因发烧而不得不躺在床上。

youdao

In fact, I would play long into the night to keep from having to climb into a bed that was so cold I couldn't sleep.

NPR: Lang Lang: A Life In Music, So Far

He added that the campaign to keep the 18-bed hospice open had been "heart-warming".

BBC: Staunton Harold Hall, Leicestershire

To be laid in bed, brace put on to keep my spine in line, it was really hard to pick myself up again.

CNN: STORY HIGHLIGHTS