鉴定 jiàndìng to appraise
to examine something to determine its authenticity, quality, value etc; to appraise; to evaluate; to authenticate
How to remember 鉴定: 鉴 mirror + 定 decide = to appraise.
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How it is used
- To appraise/authenticate and formally assess - 司法鉴定 (sīfǎ jiàndìng) forensic appraisal, 鉴定真伪 (jiàndìng zhēnwěi) to verify genuine vs. fake.
- An expert, official evaluation of authenticity, quality, or value (antiques, evidence, DNA), not a casual judgment.
- Yields an authoritative verdict; common in law, art, and quality control.