A transport system called a steam locomotive, knocks its wheels outdoorsA transport system called a steam locomotive, knocks its wheels outdoors
Abstraction knocked down green circles with an orange center on a blue backgroundAbstraction knocked down green circles with an orange center on a blue background
A football player in a tackle wants to knock the ball outA football player in a tackle wants to knock the ball out
1
A sudden short sound caused by a blow, especially on a door to attract attention or gain entry. A blow or collision. Strike a surface noisily to attract attention, especially when waiting to be let in through a door. Collide with (someone or something), giving them a hard blow.