故知 gùzhī old friend Origin Definitions Defs Strokes Stroke Words Sentences Sents gùzhī old friend 故 gù friend (bound form) old friend; acquaintance知 zhī noun intimate friend (bound form) an intimate friend or someone who knows one wellgùzhī therefore know 故 gù [hence] hence; so; therefore; as a result知 zhī verb to know to know; to be aware of; to realize or sense