Yes, but you're dressed for Eton.
4 seconds sound clip from the A Chump at Oxford (1939) movie soundboard.
You can hear this line at 00:22:24 in the DVD version of the movie.
Quote context
[...]
- Now, listen, you round up the boys and we'll all have a lot of fun.
- I'll start them off in the maze.
- Yes, I think we're going to like it here.
- Pardon me, but haven't you come to the wrong college?
- Yes, but you're dressed for Eton.
- Well, that's swell, we haven't eaten since breakfast.
- Haven't eaten since breakfast!
- It's your idea of us being dressed like this.
- No wonder everyone's staring at us.
- Well, gentlemen, if I can be of any help, I'm entirely at your service.
[...]