tempt fate

English

tempt fate (third-person singular simple present tempts fate, present participle tempting fate, simple past and past participle tempted fate)

(idiomatic) To take a risk.
Synonyms: court disaster, play Russian roulette

Don't tempt fate by driving without a seatbelt.
- 1979 February 3, Nancy Walker, “Going Bananas”, in Gay Community News, volume 6, number 27, page 11:
  When the traffic signal says, "Don't Walk," flashing its ominous red, my companions may tempt fate, but I […] stand still.
To take an imagined or superstitiously believed risk of provoking an adverse outcome by mentioning something or making a prediction.
I shouldn't tempt fate, but it looks like it's going to rain.

"I'm sure everything will work out fine" — "Don't tempt fate!"