特定 (tè dìng) means “special; specific; designated; particular”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
这种药只对特定人群有效。
Zhè zhǒng yào zhǐ duì tèdìng rénqún yǒuxiào.
This medicine is only effective for specific groups.
Updated: 2026-05-27