认证

• Pinyin: rèn zhèng
• Hanzi breakdown: 认 = 讠+ 忍 (speech + endure = to acknowledge); 证 = 讠+ 正 (speech + upright = proof)

Meaning

To certify; to authenticate; to officially verify the legitimacy, identity, or quality of something or someone.

Widely used in legal, professional, educational, and digital contexts. Includes product quality certification, professional qualification recognition, and online identity verification such as 实名认证. The noun form refers to the certification itself.

Examples

1. 这批出口食品必须通过严格的国际质量认证才能上市。 This batch of export food must pass strict international quality certification before it can be put on the market.
2. 平台要求用户完成实名认证后才能发布内容。 The platform requires users to complete real-name verification before they can post content.
3. 他的学历证书已在教育部官网上完成了认证。 His diploma has already been verified through the Ministry of Education’s official website.

Usage Guide

Context: business, legal, technology

Tone: neutral

Do Say

• 该机构的认证资质已被相关部门吊销，消费者需提高警惕。(The organisation's certification has been revoked by the relevant authorities — consumers should be on guard.)
• 完成双重身份认证后，账户的安全性将大幅提升。(After completing two-factor authentication, the security of the account will be significantly improved.)

Don't Say

• 我认证了他是好人 — 认证 requires official or institutional verification; say 我证明他是个好人 (I can vouch for him being a good person)

Origin & History

认 (acknowledge/verify) + 证 (proof/certificate)

Cultural Context

Generation: All ages

Social background: Universal