oard the door up=board up the door
board up:
用板遮住(或封住)；用板盖上；用板堵住；
例句: boarded the old house up
用木板把旧房子封起来
Why did they board up the road?
他们为什么用木板档住道路?
类似的还有seal up 封印,
把.封上都用up
例句：
Grimmjow: But it wasn't a device built to seal up an Espada.
小葛：但这不是封印十刃而作的道具.