(n) middle-aged couple
middle-aged husband & wife
(n) (col) divorce of a couple who have been married for a long time (often brought on by retirement of the husband)
(n) temporary sumo coaching status for retired wrestler
(n,adj-no) boys and girls
(n) juvenile crime
juvenile delinquency
(n) juvenile literature
(n) child labor
child labour
(n) age of consent
(n) Showa era
(n) disability pension
invalid pension
(n) New Years greetings
(n) (1) New Year's banquet (held annually by the emperor on Jan. 5, prior to WWII)
(2) New Year's party
(n) estimated (probable) age (e.g. of victim)
(n) 100th birthday anniversary
(n) birth date
(P)
(n) a person's mental age
(n) training and accommodation institution for young men
(n,adj-no) youthful ardor
rash impulse of an inexperienced youth
(n) (one's) youth
one's younger days
(n) absolute age
(n) without intermission for many years
with constancy of purpose for many years
in the same old rut for years on end
(n) relative age
(n) relative change from last year
(n) (machine's) service life
(n) (retirement) pension
(n) geological time
(n) the middle-aged and the elderly
(n) long-cherished dream
(n) retirement due to age
(n) mandatory retirement age (system)