roll up phr v 1 [T roll sth ↔ up] to curl or fold cloth, paper etc around several times 卷起: Roll up your sleeves. 卷起你的袖子。 a rolled-up newspaper 卷起来的报纸 2 [I] informal to arrive, usually late 【非正式】 〔常指姗姗来迟地〕抵达，到达: David rolled up after everyone else had left. 大家都走了，大卫才姗姗来迟。