成熟
Pinyin: chéng shú
mature
Example sentence
他比以前成熟多了。
Tā bǐ yǐqián chéngshú duō le.
He's much more mature than before.
What 成熟 means
成熟 (chéng shú) is a Chinese word meaning “mature”. It belongs to the Describing Words topic and appears at HSK 4, so it is one of the words worth learning early when you study Chinese.