age of eighty-eight (from the shape of the character 米 which contains the letters 八 in the upper and lower parts)

総理大臣: (government, politics) prime minister

異星人: alien

現代人: modern man/person

(medicine) omphalitis

A child that spends a lot of time watching television.

(idiomatic) to get angry, to be irritated

Kyūjitai form of 臍帯

black-and-white television (a monochrome system of transmitting and receiving television signals) / black-and-white television (a television set that displays only monochrome images)

(literally) To bite one's own navel / (idiomatic) To be deeply regretful about something