伏虎 most often shows up in the four-character set phrase
降龙伏虎 (xiánglóng fúhǔ, 'tame dragons and subdue tigers') — used to praise heroes of overwhelming valour, especially Buddhist arhats and martial-arts masters. The Eighteen Arhats (
十八罗汉) include both
降龙 and
伏虎 by name.
