Kill or cure
Definition 1 of 1
Pro Tip 1/3Risk Involved
Implies that the action taken is a last resort with high stakes, often because other methods have failed. 
The experimental treatment was a kill or cure; it was her last hope.
Pro Tip 2/3Extreme Outcomes
Stresses that there are no moderate results, only extremely good or bad outcomes. 
Moving to a new country for work was a kill or cure decision for him.
Pro Tip 3/3Idiomatic Usage
Understanding that 'kill or cure' is a set phrase and not literal can prevent confusion. 
Going freelance is a kill or cure for some, not a middle ground.
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