in luck
Fortunate (that something has happened or something is available to one). You're in luck—this is the last one.
in luck
fortunate; lucky. You want a red one? You're in luck. There is one red one left. I had an accident, but I was in luck. It was not serious.
in luck
Fortunate, enjoying success, as in You're in luck-we found your car keys. [Mid-1800s]
in luck
Enjoying success; fortunate.