He would accompany his mother to Chinese gambling dens to sell.
Why don't they say I've got a gambling den in the back room?
Patrons of the gambling den would be free to stay or leave, as they might choose.
The situation has, of course, changed since the Internet became the largest gambling den in the world.
The two gunmen left the head of the stairs and went into the gambling den.
Then the gangster and the girl left the gambling den.
He turned on his heel, and walked toward the entrance to the gambling den.
He found an opportunity to leave the gambling den, and went to the balcony.
Jolie walked through the gambling den, where the customer always won.
For the rest of the week, it operated as an illegal gambling den.