C939 Don't Say That

"Dr. Qin, you are making fun of this old man. Their duty is to protect the safety of our family. It is reasonable for them to sacrifice their lives for them, because you are our guests."

"They must do this. Also, you have fulfilled your promise. There was no need to feel guilty. If there was one person who should feel guilty... It's still me. It's you who let me know..