lucky break
A stroke of luck; a fortunate event, particularly of the sort that propels one to success, fame, etc.
At 17, she got her lucky break when she appeared on television and became a popular musician overnight.
VERBS
be
get, strike (it)
He's been trying to find a good job for months, but he finally struck it lucky last week.
consider/count/think youself
She counts herself lucky that her flight wasn't cancelled during the storm.
ADV
bloody
He was bloody lucky to survive that car crash without any injuries.
damn/damned, dead, exceedingly, extraordinarily, extremely, incredibly, really, remarkably, terribly, very
He was incredibly lucky that his flight got cancelled before the storm hit.
a bit, fairly, pretty, quite
I was quite lucky to find a parking space right outside the store.
PREP
for
It was lucky for Sarah that she remembered her passport at the airport.
with
We were lucky with our hotel choice because it had a great view of the beach.