house,屋子，bound,绑定，束缚。引申义因病不能离家的。

1. She was forever running errands for her housebound grandmother.

她总是在为她不方便外出的祖母跑前跑后。

来自柯林斯例句

2. If you are housebound, you can arrange for a home visit from a specialist adviser.

如果你出不了门，可以预约专家顾问上门就诊。

来自辞典例句