(music) a Japanese percussion instrument made of two pieces of hardwood or bamboo that are tied together with a rope and struck together

(Chinese mythology) pixiu, a mythical horned animal that is believed to bring luck / (figuratively) fierce warrior

asexuality

to waste, to squander

Kyūjitai form of 学費: tuition; school expenses

unofficial

inevitable, unavoidable

inevitability, unavoidability

proportionality

to vary directly, to be directly proportional to