Press her luck - Idioms by The Free Dictionary
press (one's) luck (redirected from press her luck)
press (one's) luck
To risk losing the good favor or fortune one has garnered thus far by brashly or overconfidently seeking more. I know you're in the boss's good graces now, but don't press your luck: she's been known to turn on people for getting too cocky. I've had some good winnings at blackjack, but I don't think I should press my luck any further.
References in periodicals archive
But Merkel hasn't tried to press her luck
She didn't want to press her luck
in qualifying, so she took just one throw - a mark of 162 feet, 8 inches - which was the top effort in the second flight, and ranked fifth overall.
While in the Crescent City, Beswick also planned to press her luck