push (one's) luck

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push (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 push 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 push my luck any further. The construction happening near our building has really put a damper on sales this month.
See also: luck, push

push one's luck

 and press one's luck
to expect continued good fortune; to expect to continue to escape bad luck. (Often implies unreasonable expectation.) You're okay so far, but don't push your luck. Bob pressed his luck too much and got into a lot of trouble.
See also: luck, push

push one's luck

Also, press one's luck. Risk one's good fortune, often by acting overconfidently, as in We've gotten all but one of the concessions we asked for; demanding that last one would be pushing our luck , or You've done very well so far, but don't press your luck. [Early 1900s]
See also: luck, push

push your luck

COMMON If you push your luck, you do something risky that could spoil the success you have already had. You survived this time but who knows how far you can push your luck? You might be pushing your luck asking them to play the song live.
See also: luck, push