to rig sth up or to rig up sth
+ shelter, curtain, device(尤指临时)搭起, 架起
When it rained I rigged up a partial shelter with a tarpaulin.下雨时, 我用防水油布草草搭了一个可勉强遮雨的棚子。
Election officials have rigged up speakers to provide voters with music.选举官员们临时安装了几只喇叭为选民们播放音乐。