DuDu: I hurt my hand.
Mum: What's wrong?
DuDu: I hurt it in the schoolyard
Mum: Let me see. It's Ok.
DuDu: I went to the nurse.
Mum: Does it hurt?
DuDu: A bit.
Mum: You must take care of yourself.
DuDu: I know.
Mum: Don't touch the water.
DuDu: When can my hand be fine?
Mum: In a week's time.
DuDu: Not very long.
Mum: Be careful next time.