nó

nó

"It" or "he/she" (used for third person, informal, and sometimes impolite).

Here, 'nó' is used as a pronoun to refer to an unspecified subject, likely a child or an animal.

Nó đang chơi bóng ở sân nhà.

It is playing ball in the yard.

In this sentence, 'nó' refers to an inanimate object, specifically the book.

Tôi đã đặt quyển sách trên bàn, nó nằm ở đó.

I placed the book on the table; it is there.

Here, 'nó' represents an animate subject, likely an animal or a person, acting in the context of the action described.

Mỗi khi nhìn thấy con gà mái, nó bắt đầu rượt đuổi.

Every time it sees the hen, it starts chasing.