懂事 (dǒng shì): เติบโตเกินกว่าความไร้เดียงสาของวัยเด็ก

My little sister is only six, but she is already very sensible and helps Mom wash dishes and sweep the floor every day.

After his parents divorced, he grew up fast, stopped being as willful as before, and began to study seriously.

Since Mom passed away, my older sister has become even more mature, not only taking care of Dad but also helping me with my homework.