概念 (gài niàn) means “concept; idea”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Measure word: 个
Practice each character:
时间是一个相对的概念。
Shíjiān shì yī gè xiāngduì de gàiniàn.
Time is a relative concept.
Updated: 2026-05-27