插足 Traditional form: 插足 Pinyin (reading): chāzú Definitions: to squeeze in to step in to take part to step between (two persons in a relationship) Characters: 插 - to insert, to stick in; to pierce; to plant 足 - foot; to attain, to satisfy; enough Traditional characters: 插 - to insert, to stick in; to pierce; to plant 足 - foot; to attain, to satisfy; enough