据守天险 jùshǒutiānxiǎn to guard a natural stronghold Origin Definitions Defs Strokes Stroke Words Sentences Sents 据守 據守 jùshǒu to guard to occupy and guard a fortified position; to be entrenched in a place of strategic importance天险 天險 tiānxiǎn natural barrier a naturally formed strategic stronghold or defensive barrier