at any cost—regardless of how much effort or sacrifice is needed:
- In plain English, it is murder, and it must be stopped at any cost.
at any price—
1. = at any cost:
- Peace at any price will not be a long peace. There will be more price to pay, over and over again.
2. (negat.) is used to state that under no circumstances will one accept or do smth.:
- I’m going to leave you. I can’t stand my father-in-law at any price.