flip the coin

bet speculate wager

back brave challenge dare defy endanger face game hazard imperil jeopardize lot play plunge put risk set stake venture

buck the odds cast lots cut the cards go for broke lay money on make a bet put faith in put trust in shoot the moon shoot the works stick one's neck out take a flyer tempt fortune trust to luck try one's luck

ascend discourage displace dissuade hide remove rise save

be careful design ensure guard insure plan safeguard