Four in the morning is when the KGB went knocking on doors.

She doesn't send a salesperson out to make the big call; she goes knocking on that door herself.

Then we left him to it and went knocking doors.

Branwen went knocking at Chakuchin's door.

Going around just knocking management does not do anyone any good.

"I didn't know quite what to do, and went knocking on Mr. Hennessy's door."

But I don't have my bags in my hands, and I'm not going around knocking on doors.

To build up the lease brokerage business, Mr. Milde went knocking on the doors of the few developers who were building in the city.

"I went knocking on doors looking for money," he recalls.

Shame on Strauss who went knocking on the door.