wall sb / sth ↔ up 1. a. to fill in an entrance, window etc with bricks or stone〔通道、窗等〕用砖石堵上:•The entrance had long since been walled up.入口处早就被堵死了。b. to fill in all the entrances and windows of a place so that someone cannot get out封死〔入口或窗户〕2. to keep someone as a prisoner in a building监禁，囚禁 |