cut off
phr. v..phr. v.. to stop the supply of something like water or power, or to separate someone from others so they are alone.
phr. v.. to interrupt or terminate a supply, communication, or physical connection; also used to describe isolating a person or place.
The company cut off our electricity because we didn't pay.
Heavy snow cut off the mountain village from the rest of the country for three days.
The sudden collapse of the bridge effectively cut off the retreating army from their primary supply lines and reinforcements.
often used in the passive voice when describing people or places that become isolated.
this verb has several distinct senses; focus on the 'interruption of supply' and 'isolation' meanings as they are most common in B1-B2 contexts.
The storm cut off of the power.The storm cut off the power.the verb is transitive and takes a direct object without the preposition 'of'.