Examples
tāng汤mǔ姆yǐ jīng已经yīn因bìng病wò chuáng卧床sān三zhōu周le了。
汤姆已经因病卧床三周了。
Tom has been sick in bed for three weeks.
他现在卧床不起。
He is confined to bed now.
他的腿部肌肉在他卧床不起的七个月中萎缩了。
The muscles in his legs had atrophied during the seven months he was bedridden.