地下鉄underground train廊下corridor以下less than地下basement下降downward下線underline地下水underground water低下fall下位low rank下番going off duty下吏lower official城下land near the castle部下subordinate person落下fall
番 ばん
交番police box番号number番組television or radio program一番best順番turn (in line)番number (in a series)当番being on duty番地house number留守番care-taking下番going off duty番目cardinal number suffix