Daily Chinese Idiom Guessing Game
It means to stay at home all the time, never going out. It describes someone who rarely leaves their house.
脚不跨出家门。
明·凌濛初《初刻拍案惊奇》卷二十五却说苏盼奴自赵司户去后，足不出门，一客不见，只等襄阳来音。”
Since he started working from home, he has been living a life of 'zu bu chu hu'.