五十 (wǔshí): fifty

Meanings

Tā jīnnián wǔshí suì le.

He is fifty years old this year.

Zhè běn shū yǒu wǔshí yè.

This book has fifty pages.

grammar

Chinese numbers are built logically: 五 (five) + 十 (ten) = fifty. This pattern applies to all multiples of ten: 二十 (20), 三十 (30), etc.

五 wǔ

十 shí