1.
mouse, rat
A small rodent.
鼠が出た。
A mouse appeared.
猫が鼠を追いかけている。
The cat is chasing the mouse.
台所で鼠が走り回る音がした。
I heard the sound of a mouse running around in the kitchen.
古い家に引っ越したら、天井裏で鼠が走る音が聞こえて困った。
After moving into an old house, I was troubled by the sound of mice running in the ceiling.
昔は鼠が米を食べてしまうので、農家の人たちは猫を飼って鼠を追い払っていた。
In the past, mice would eat the rice, so farmers kept cats to chase them away.
鼠 is the general term for mice and rats - small rodents found worldwide.
KANJI:
The kanji 鼠 is complex (13 strokes) and often written in hiragana as ねずみ in everyday use.
TYPES:
- 家鼠: house mouse
- 溝鼠: brown rat, sewer rat
- 野鼠: field mouse
- ハムスター: hamster (a popular pet)
CHINESE ZODIAC (十二支):
- 子 is the first of the twelve zodiac animals
- 子年: Year of the Rat
- People born in rat years are said to be clever and resourceful
EXPRESSIONS AND IDIOMS:
- 窮鼠猫を噛む: a cornered rat will bite a cat (desperation leads to unexpected action)
- 鼠算: exponential growth (like mouse reproduction)
- 袋の鼠: a rat in a bag (trapped with no escape)
- 鼠一匹通さない: not letting even a mouse through (airtight security)
COLOR:
鼠色: mouse-gray (a muted gray color popular in traditional Japanese aesthetics)
CULTURE:
- Mice/rats have mixed symbolism in Japan
- Associated with 大黒天 (god of wealth) - mice are his messengers
- Also seen as pests that damage crops and spread disease
RELATED VOCABULARY:
- 猫: cat (natural predator)
- 罠: trap
- 齧歯類: rodent