鼠
Let’s learn Japanese kanji 鼠!
今回の漢字は『鼠』にしましょう！
鼠 - ネズミ mouse; rat 🐀
鼠色 - ねずみいろ mouse grey (colour); dark slate
鼠穴 - ねずみあな a mousehole; a rathole
鼠捕り - ねずみとり mouse trap; a rattrap
ネズミ講 - ねずみこう a pyramid scheme; a Ponzi scheme (full name: 無限連鎖講 むげんれんさこう)
鼠算で - ねずみざんで in geometrical progression
ハリネズミ a hedgehog (lit. needle-covered mouse)
e.g. どう思う、人口が鼠算で増えるとの理論について？What do you think about the theory that populations grow in geometrical progression?
P.S. Do you know that the Rat is one of the animals of the Chinese Zodiac? In such instance you will often see it written with a different kanji, 子!