a mousetrap

(colloquial) a pyramid scheme

Synonym of 赤鼠 (akanezumi, “large Japanese field mouse”)

砂鼠: Mongolian gerbil (Meriones unguiculatus)

A common word problem in Japan. It says that "In January, there is a pair of mice. They copulate and bear twelve children. The next month, 7 pairs of mice copulate and bear twelve children respectively. How many mice are there in December?"

(literally) earthly advantage is more important than heavenly time, man's harmony is more important than earthly advantage

a small, traditional handmade doll made of white paper or cloth

swords

ancient ornamental belt

(slang) addict