First case
Huo Yun: "Prosecutor, Huo Yun."
Mo Xiao: "Defender, Mo Xiao." (OS: Opponent!)
Second case
Huo Yun: "Prosecutor, Huo Yun."
Mo Xiao: "Defender, Mo Xiao." (OS: It's the guy living upstairs again!)
The third case
Huo Yun: "Prosecutor, Huo Yun."
Mo Xiao: "... Defender, Mo Xiao." (OS: Why is this still upstairs!)
The fourth case
Huo Yun: "Check..."
Mo Xiao: "Your Honor, is there no one else in this procuratorate?"
Your Honor: "Sit down!"