It's about his daughter, Soo Yung.
3 seconds sound clip from the Rush Hour (1998) movie soundboard.
You can hear this line at 00:36:11 in the Blu-ray version of the movie.
Quote context
[...]
- Please, it's very important.
- Why don't you tell us why you need to see the consul, huh?
- We'll tell you whether it's important.
- It's about his daughter, Soo Yung.
- He asked about the consul's daughter.
- He asked about the daughter.
- You don't understand. I was invited.
[...]