How old are you? I am eleven. (I am eleven years old.)

你多大了？我十一岁。

youdao

I am eleven years old now, I study in a middle school, I am not a little girl any more, I know I should learn to grow up, I want to be a good child.

我现在十岁了，我在上初中，我已经不是一个小孩子了，我知道我必须学着去长大，我想要成为一个好孩子。

youdao

I am eleven years old now, I study in a middle school, I am not a little girl any more, I know I should learn to grow up, I want to be a good child.

我现在十岁了，我在上初中，我已经不是一个小孩子了，我知道我必须学着去长大，我想要成为一个好孩子。

youdao