Se Ma Sun was a well known official, and the underworld hated him.
7 seconds sound clip from the The Avenging Eagle movie soundboard.
You can hear this line at 00:50:16 in the Blu-ray version of the movie.
Quote context
[...]
- I would search the whole country to find a man.
- A man?
- Hmm, I'll find him. I swear I will.
- I have to die at his hand. Because I owe him a debt of blood.
- Se Ma Sun's son, Cheuk Yi Fan.
- Well, no. Just who are they?
- Se Ma Sun was a well known official, and the underworld hated him.
- One time he managed to foil Yoh Xi Hung's plan to steal something from the court.
- So then, Yoh Xi Hung swore that he'd wipe out his whole family.
- Damn you. You kill my family, I tell you, you shall rot in hell for this. You muttering bastard!
[...]