劫掠一空jié lüè yī kōng

be looted and ransacked;make a clean sweep
❍ 总工会、省农民协会和所有的民众团体及党校机关，都被～，贴上封条。(陶承《我的一家》18) All the offices of the General Labour Union,the Provincial Peasants’ Association,the Communist Party Academy and other people’s organizations were looted and ransacked before being closed down and sealed up.

劫掠一空jié lüè yī kōnɡ

抢劫一空，什么也没留下。carry off everything, make a clean sweep