W: I hope you understand what I mean.

M: I think I understand.

W: That's the best.

M: I hope you understand what I mean.

W: We understand each other.

M: Then I can relax.

213. None of your business.

W: Please don't quarrel anymore.

M: It's none of your business.

W: You should explain it to me clearly.

W: Young man, would you please give your seat to this pregnant woman?

M: It's none of your business.

W: How can you speak like that?