We have no meanings for "knock on" in our records yet.
1 A knock on the door and the postman entered with the letters.
2 Good night dear; and if you want anything, knock on the wall.
3 Anybody would think they'd never seen someone knock on a window before.
4 About thirty minutes later, there was a knock on the holding-cell doors.
5 And exactly twenty-one minutes later, there was a knock on the door.
6 A knock on the door, and an employee of the office entered.
7 At the same moment there was a loud knock on the door.
8 South Africa use the knock on advantage for Senatla to cross over.
9 I suppose it will do no good to knock on the door.
10 Footsteps approached, followed a moment later by a knock on the door.
11 He could never sleep properly, worrying about the knock on the door.
12 While I was thus engaged there was a knock on the door.
13 We invented a special knock on the door of his private room.
14 He answered a knock on the door with a cry of dismay.
15 Just as he did so there came a knock on the door.
16 At that moment there came a tolerably violent knock on the door.
Other examples for "knock on"
Grammar, pronunciation and more
This collocation consists of: Knock on through the time
Knock on across language varieties