自衛

じえい

self-defense

JLPT N2

Character Breakdown

Meaning and Usage

"自衛" (じえい) means "self-defense" and is used to describe actions or measures taken to protect oneself from harm or danger. It can refer to personal safety or national defense, such as Japan's Self-Defense Forces (自衛隊).

Common Contexts

  • Personal safety: reporting to authorities or taking precautions to avoid harm.
  • National defense: referring to the military forces tasked with protecting the country.

Collocations and Patterns

  • 自衛のために (for self-defense): used when explaining the reason for an action.
  • 自衛隊 (Self-Defense Forces): Japan's military organization.
  • 自衛手段 (means of self-defense): tools or methods used to protect oneself.

Register and Nuance

"自衛" is a neutral term, appropriate in both formal and informal contexts. When used in conversation, it often implies a justified or necessary action to protect oneself.

Common Mistakes

Learners sometimes confuse "自衛" with general defense or attack. Remember, "自衛" specifically emphasizes protecting oneself rather than initiating aggression.

Example Sentences

じえいのためにけいさつにつうほうした。

I reported to the police for self-defense.

じえいたいはにほんのぼうえいをたんとうしている。

The Self-Defense Forces are responsible for Japan's defense.

かれはじえいのためにつよくなろうとしている。

He is trying to become stronger for self-defense.