at all costs; whatever the price; would give anything
Set phrase expressing strong determination to achieve something regardless of sacrifice or cost.
I want to make this project succeed at all costs.
彼はどんな犠牲を払っても家族を守ると誓った。
He vowed to protect his family whatever the price.
Phrase composed of どんな (any kind of) + 犠牲 (sacrifice) + を + 払っても (even if paying). Literally 'even if paying any sacrifice'.