► 形容動詞年下 [としした]
meaning: junior rank: 2☆
私の
妹は三つ年下だ ⇨ My sister is three years younger than me
(☛ In Asian societies you have to respect anyone who is older than you, even by a year)More examples:- チームの戦績は毎年下降線を辿っている ⇨ The win-loss results, records, of the team have been on a downward trend every year