push (your) luck

to expect good things to continue to happen because they have in the past.

I was fortunate to survive the crash, and there was no point pushing my luck by continuing to race.

Usage notes: often used in the phrase don't push your luck:

We've given you a lot of time off recently, but don't push your luck.

• the icing on the cake
• the ins and outs
• the ins and outs of
• the ins and outs of something
• the Ivy League
• the jewel in the crown
• the joker in the pack
• the joke's on
• the joke's on someone
• the jury is out
• the jury is still out
• the kiss of death
• the knives are out
• the land of milk and honey
• the last gasp of
• the last gasp of something
• the last minute
• the last of the big spenders
• the last straw
• the last word in
• the last word in something
• the law of averages
• the law of the jungle
• the lay of the land
• the least can do