Example Usage of 岁
Wǒ mèimei 21 suì, shìgè dàxuéshēng.
My sister is twenty-one years old and a college student.
Zuótiān shì wǒ 17 suì shēngrì.
Yesterday was my seventeenth birthday.
Shàng gè yuè, wǒmen 20 suì de nǚ'ér shēngle gè nǚhái.
Last month our twenty-year-old daughter gave birth to a baby girl.
Tā kěndìng chāoguò 80 suìle.
She must be over eighty.
Tā hé wǒ tóng suì.
We're the same age.