じょうげ【上下】 top and bottom (位置);[身分の]the upper and lower classes;high and low;fluctuations (物価);the first and second volumes (書物).〜に up and down.〜する rise and fall;fluctuate.→英和 〜の別なく irrespective of rank.〜線とも不通 Both the up and down lines are out of use./Service is suspended in both directions.‖上下動 a vertical shock.