try one's luck

/T R AY1 W AH0 N EH0 S L AH0 K/
verb
  1. 1

    (often with at) To make a risky attempt.

    โ€œWhy don't you try your luck at the blackjack tables?โ€

Source: https://en.wiktionary.org/wiki/try%20one's%20luck