Why don't you ask Mr.Lam for some advice?
= If I were you , I would ask Mr.Lam for some advice.
They find living on their own difficult.
= They aren't used to living on their own.

Why don't you ask Mr.Lam for some advice?
= If I were you, I would ask Mr.Lam for some advice (điều kiện loại 2)
Dịch: nếu tôi là bạn, tôi sẽ hỏi Mr.Lam để xin lời khuyên
They find living on their own difficult.
= They aren't used to living on their own
Dịch: họ không quen sống một mình