Hit the dirt and Knock down

Hit the dirt verb - Fall or drop suddenly, usually to evade some danger.

Knock down and hit the dirt are semantically related in overthrow topic. In some cases you can use "Knock down" instead a verb phrase "Hit the dirt", when it comes to topics like fall or make fall awkwardly.

Knock down verb - To receive as return for effort.

Hit the dirt and knock down are semantically related in overthrow topic. Sometimes you can use "Hit the dirt" instead a verb "Knock down", if it concerns topics such as fall or make fall awkwardly.