席卷天下 xíjuǎntiānxià to conquer the world Origin Definitions Defs Strokes Stroke Words Sentences Sents 席卷 席捲 xíjuǎn verb to engulf to sweep across a region with irresistible force; to take over or conquer entirely天下 tiānxià noun the world the whole world; all of society; everywhere on earth