Definition of chance one's arm (or luck) in English:

chance one's arm (or luck)

phrase

British
informal
  • Undertake something although it may be dangerous or unsuccessful.

    ‘the ferryman decided not to chance his luck in the storm’
    • ‘I usually leave them to chance their luck in the garden through the winter, and although they coped with the very wet winter we had last year, I wonder if they will be so fortunate this year.’
    • ‘In England aspiring trainers are thought to need a lot of money behind them, whereas many in Ireland get their grounding by working as stable lads, riding as amateurs and then chancing their arm with a handful of horses.’
    • ‘The striker tried to claim it had crossed the line, but he was really chancing his arm when he raised it in appeal.’
    • ‘The emergence of ‘no-win no-fee’ law firms makes this ‘chancing your luck’ possible.’
    • ‘As Mr Forrester had no change, he chanced his arm and didn't get a parking permit, knowing that parking would be free after 6pm.’
    • ‘They added 78 together in 14 overs with Gale chancing his luck until Benkenstein ran him out.’
    • ‘Young and old also chanced their arm at bowling and archery.’
    • ‘An Inland Revenue source said: ‘Droger was just chancing his arm.’’
    • ‘It is quite clear he was chancing his arm with a woman whose partner he knew was inside and to see how far he could go.’
    • ‘How about chancing your arm on a couple of spells?’
    wager, gamble, stake, risk, venture, hazard, chance, lay down, put, place
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