English
せいご
after birth
たなかさんの こどもは せいご 3かげつです。
田中さんの子供は生後3ヶ月です。
Mr./Ms. Tanaka's baby is three months old.
おいくつ
how old (for asking about age)
お歳
age
衰える(体力が〜/記憶力が〜)
to become weak (one's memory/strength) ; to lose one's strength/memory
かなわない(病気には〜/年には〜)
to give in to (illness/old age) ; to succumb ; cannot overcome
高齢
elderly