Oh, he means if he stole your pearls, he'd steal you with them!
5 seconds sound clip from the Algiers (1941, Lux Radio Theatre) classic radio play.
You can hear this line at 00:20:32 in the original recording.
Quote context
[...]
- And whom did we meet, Inspector?
- In business, one cannot choose.
- Inspector, have you seen him since?
- Uh, did he say anything about me?
- A connoisseur can admire pearls without neglecting the wearer.
- Oh, he means if he stole your pearls, he'd steal you with them!
- Oh, he sounds marvelous to me. I'd like to meet him!
- It can easily be arranged, if you wish to visit the Casbah again with a suitable guide...
- I hardly think it necessary...
- Of course! We'd love to go. Tonight, Inspector, if it's convenient.
- I am at your service, mademoiselle.
[...]