Fast Play is a tough customer and likely to improve.
You know better than anybody else how to handle tough customers.
He has seen enough to convince him that we are pretty tough customers.
Even the little boy, who's a tough customer, is eventually won over.
"Those are really tough customers if you don't know what you're talking about," he said.
"This store of shoppers are tough customers so people here make sure they're getting a good buy."
They also know where he got his experience, and he's a big, tough customer.
Key had tangled with tough customers from all parts of the world.
Walter was a tough customer, maybe because of his police training.
When I think about it he must have been a pretty tough customer all round.