kill or cure
US /kɪl ɔr kjʊr/
UK /kɪl ɔr kjʊr/
1.
a drastic remedy that will either solve a problem completely or make it much worse
:
•
His new business venture is a kill or cure situation; it will either make him rich or bankrupt.
•
The doctor tried a kill or cure treatment as a last resort for the patient.