1. Opportunity knocks.

2. Knock knock knock ask who' s there

3. Knock knock knock ask who's there

4. Opportunity seldom knocks twice.

5. He knocks the ball loose!

6. What knocks me is his impudence.

7. What knocks me most is his impudence.

8. Woody Woodpecker first appears, in the film Knock Knock.

9. Before success, we must take hard knocks.

10. 13 The portable device easily knocks down.

11. This swallows the bridge and knocks it down.

12. You can't abandon me whenever opportunity knocks.

13. Clive's taken quite a few hard knocks lately.

14. Knock it off.

15. Wow! This scenery really knocks me out.

16. His sturdy resilience to knocks and setbacks.

17. Opportunity never knocks twice at any man's door. 

18. The music video for "Knock Knock" was directed by Naive Creative Production.

19. A sergeant soon knocks new recruits into shape.

20. This design knocks everything else into a cocked hat.

21. Knock yourself out.

22. Fortune knocks once at least at every man's gate.

23. Puts them in his ambulance, knocks them out.

24. A real knock down.

25. He knocks Boldly at the door who brings good news

26. Father is patient with son who knocks over motorcycles, 15

27. If the round could knock down the target, it could knock down a man.

28. Let's knock off now.

29. Knock before you enter.

30. Teddy Fucking Williams knocks it out of the park!

31. " When adversity knocks on your door , how do you respond ?

32. Giving them a couple of hard knocks is quite necessary.

33. Fortune knocks once at least at every man’s door. 

34. Little cicada is busing to flute, little frog knocks drum.

35. Newsom Admits mistakes in handling of pandemic, knocks recall effort

36. Knock out the thief.

37. Knock out the wedges.

38. It's the punch you don't see coming that knocks you out.

39. "Bao knocks out top-seeded Lee in badminton World Championships quarterfinals".

40. You can learn that only in the school of hard knocks.

41. 23 minutes to door knock.

42. Why would the landlady knock?

43. Did you knock or ring?

44. Don't knock that vase over.

45. Please knock on the door.

46. Don't you people ever knock?

47. A gold dragon to whoever knocks my fool's hat off.

48. She knocks the rest of the cast into a cocked hat.

49. Let's knock off for lunch.

50. Battering Ram "Knock, knock!" Battering rams in their simplest form have existed for millennia

51. "Knock, knock, knock! Who's there, i' the name of Beelzebub?" is a legendary line in Shakespeare's Macbeth, a demonic contriver conceived in the spirit of Beelzebub.

52. 2 Opportunity never knocks twice at any man's door. 

53. In football you have to get used to hard knocks.

54. Next time, I'll knock your

55. Boss's office in here. ( knock )

56. Knock at the rear entrance.

57. Benjamin is a knock out.

58. I'm just gonna knock him out.

59. Knock down the machine before shipping.

60. Brunswick Knock Out UPPER MID PERFORMANCE

61. Mind you don't knock your head .

62. I don't knock off until six.

63. When life knocks you to your knees, and it will, why, getup!

64. Lisa: The school of hard knocks . Shawn was a model student.

65. DFB Pokal: Bochum knock Stuttgart out

66. The boxer scored a knock out.

67. There's a knock on the door.

68. You wanna knock that starter out.

69. Sorry, did I knock your elbow?

70. What time do you knock off?

71. Her gentle knock on the door.

72. If he knocks down the wicket with his own leg, he is out.

73. A loud knock shook my front door.

74. What time do you knock off ( work )?

75. He wanted to knock down a bank.

76. You're gonna have to knock me out.

77. I'll knock your head off, you hear?

78. You two lovers better knock it off.

79. Anything could knock him off his perch.

80. Try not to knock that vase over.