1 C-3PO: I am fluent in over six million forms of communication.
2 Owen: What I really need is a droid that understands the binary language of moisture vaporators.
3 C-3PO: Vaporators! Sir, my first job was programming binary load lifters, very similar to your vaporators. You could say—
4 Owen: Can you speak Bocce?
4 C-3PO: It’s like a four million, two hundred and thirty six thousand, five hundred and seventy ninth language for me!

Twist: It's only "like" a 4236579th language; it's actually the 4236580th, but he's a little rusty on the one he really learned 4236579th.