日本語
rouka genshou
senescence
ろうか
aging ; senility
おとろえる(たいりょくが〜/きおくりょくが〜)
to become weak (one's memory/strength) ; to lose one's strength/memory
としを とる
to get old ; to move on up ; to get on
わかがえる
to feel younger
おいくつ
how old (for asking about age)