的
Pinyin: de
possessive particle
Example sentence
这是我的杯子。
Zhè shì wǒ de bēizi.
This is my cup.
What 的 means
的 (de) is a Chinese word meaning “possessive particle”. It belongs to the Particles & Phrases topic and appears at HSK 1, so it is one of the words worth learning early when you study Chinese.