the Tokyo metropolitan region; the area surrounding and including the capital of Japan in Eastern Tokyo

(idiomatic) A traditional Japanese meal, consisting of a bowl of soup and three side dishes (rice, pickles, etc.).

(zoology) polyandry

(grammar) a verbal conjugation class in which the verb stem ends in -i and consists of four alternating bases: -i, -iru, -ire, and -iyo/-iro

a journey of a thousand miles begins with a single step

(figuratively) a narrow world view based on limited experience

(figuratively) being carefree and unaware of an imminent danger

three days ago

chickens come home to roost, so you should be prepared for your curse to come back to you. Also said to admonish someone against cursing another person casually.

three-legged race / (idiomatic) cooperating and working together to accomplish a task