Drive (one) back on (something) verb phrase
To force someone to use resources that were previously held in reserve.
This pandemic's driven everyone back on their savings in order to survive.
The failure of this project drove Isaac on his saving money.
To keep something for use in the future.
The verb "drive" should be conjugated according to its tense.
Very dishonest and deceptive
Don't play cards with Tom. He's as crooked as a dog's hind leg.
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