disco ball, mirrorball

Synonym of 球技 (kyūgi, “ball game”)

(idiomatic, especially a child) to be on the verge of tears

fit / suit / join / one tenth

covered containers / battles

0.18039 liters, equaling ten shaku or a tenth of a shō / a tenth of the distance from the base to the summit of a mountain

use one thing for many purposes / work someone hard

to use one's head

seitan

today, this day / nowadays