石いしにかじりついてもいしにかじりついてもMeanings1expressioncome hell or high water; no matter what; at any costidiomatic expressionIdiomatic expression conveying strong determination to achieve something despite any difficulty. Often used with verbs of effort or perseverance.石いしにかじりついても、このプロジェクトを成せい功こうさせたい。I want to make this project succeed, come hell or high water.