滥用 lànyòng to misuse
to misuse; to abuse
How to remember 滥用: 滥 to flood + 用 to use (Kangxi radical 101) = to misuse.
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How it is used
- Means to abuse/misuse (a right, power, resource) - 滥用职权 (lànyòng zhíquán) to abuse one's authority.
- Always negative: using something excessively or improperly - 滥用药物 (drug abuse), 滥用权力 (abuse of power).
- The 滥 (to flood/overdo) marks the excess; contrast neutral 使用 (shǐyòng, to use).