Yes.
Exactly. It’s an old term.
It’s like the Beijing boys gave you a book and vocabulary to use.
It’s like you’re saying 23 Skidoo or that’s the cats pajamas.
I met the Chinese intelligence folks in real life 40 plus years ago when the first Chinese students came to the university I attended and three of them lived in the dorms.
They were agents scouts IMHO.
The Chinese moved out of the dorms into apartments of their own when the next ones arrived at the university.