Meaning and Usage
"介入" (かいにゅう) means "intervention" or "interference," often used in formal or serious contexts such as politics, economics, or social issues. It implies an active involvement by an external party to influence or change a situation.
Common Contexts
This word is frequently used when discussing government or organizational actions, such as economic interventions, diplomatic or military involvement, and social or familial interference.
Collocations and Patterns
- 介入する: to intervene or get involved
- 過度に介入する: to intervene excessively
- 介入を検討する: to consider intervention
Register and Nuance
"介入" carries a neutral to slightly negative nuance depending on context, especially when implying unwanted or excessive interference. It is a formal term, suitable for news reports, academic discussions, and official statements.
Common Learner Mistake
Learners sometimes confuse "介入" with more neutral words like "参加" (participation) or "関与" (involvement). "介入" specifically implies an active and sometimes forceful interference, not just passive involvement.