I need your advice.
Asking for advice
You shouldn't lie to your parents.
Giving advice
I've got a problem with my sister.
Asking for advice
What should I do?
Asking for advice
I'm in trouble. I feel helpless.
Asking for advice
Perhaps you should explain how you feel.
Giving advice
You must ask for your brother's permission before you borrow his things.
Giving advice
Everything will be fine.
Giving advice