call someone's bluff

Meaning: (idiomatic)To takeactionon the basis that another person isbluffing.She was tempted tocall his bluff, hardly believing that he would carry out his threat.2022December 14, Christian Wolmar, “Productivity should play no part in pay negotiations”, inRAIL, number972, page46:Eventually the NUR overplayed its hands with an all-out strike. And when Peter Parker, the then-chairman of BR, who was well regarded among his staff,called their bluffby threatening to close down the entire network, they caved in.

Examples:

EN: The only way to call someone's bluff, Stefan, is to be willing to lose everything if you're wrong.
ES: La única manera de retar a alguien Stefan, es estando dispuesto a perder todo si te equivocas.

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