足岁

hái zi yǐ jīng qī zú suì le

孩子已经七足岁了。

The age of the child is seven full years.

dào shí èr yuè tā jiāng mǎn èr shí zú suì

到十二月她将满二十足岁。

She will be twenty in December.

wǒ men zěn me cái néng yǎn shì wǒ hái bù dào zú suì de shì shí ne

我们怎么才能掩饰我还不到16足岁的事实呢？

How could we disguise the fact that I was not even sixteen years old?