(idiomatic) to come into mind, to pop into one's head

(idiomatic) to keep in mind

"to enter the head": for learning to stay in one's head

(idiomatic) bright, intelligent, sharp

a sharp edge (of a ball)

spherical object / ball

Short for 関東 (Kantō):: the Kantō region of Japan / Short for 東国 (Tōgoku): a historical administrative division of Japan, corresponding to the modern Kantō and Tōkai regions / Short for 東京 (Tōkyō): Tokyo

(music)

east

political party