We're organizing a pot luck this weekend; please sign up for what you'll bring.

After a long string of ill-luck, she finally found a job that suited her.

Finding that stray dog was a piece of luck that brightened her whole week.

After winning the poker hand, he tipped his hat to lady luck and left the table richer than when he had arrived.

At dawn the village watched in awe as a gentle luck dragon glided over the sea, its presence promising unexpected blessings.

I was out of luck after my umbrella blew away just before the rain started.

good luck; you'll do great in the interview.

He wore a charm to attract good luck before the exam.

You missed the train and now you'll be late — tough luck.

When the flight was canceled and she missed the conference, it was just tough luck.