From Longman Dictionary of Contemporary Englisha throw of the dicea throw of the dicesomething you do that you hope will have an effect on a situation, but is not certain to do so a last desperate throw of the dice to try and win his wife back → dice
Examples from the Corpus
last ... throw of the dice• My trip to London was on Ana's behalf, my last throw of the dice.• London was the last throw of the dice. 