Meaning and Usage
"寿命" (じゅみょう) refers to the length of time something or someone is expected to live or function. It is commonly used for living beings, like humans or animals, as well as for objects such as batteries, machines, or electronics.
Common Contexts
You will often hear "寿命" when discussing health, aging, or durability. For example, talking about a person's life expectancy or how long a device can be used before it breaks down.
Collocations and Patterns
- 寿命が長い／短い: to say something has a long or short lifespan
- 寿命を延ばす: to extend the lifespan
- 寿命が来る: when the lifespan ends (often used for machines or devices)
Register and Nuance
"寿命" is a neutral, standard word suitable for both formal and informal contexts. It is not casual slang but is widely understood and used in everyday conversation.
Common Mistakes
Learners sometimes confuse "寿命" with "命" (life) alone. Remember, "寿命" specifically refers to the duration or span of life or function, not just life itself.