whatever good or bad events happen to a person by chance
the tendency for a person to be consistently fortunate or unfortunate
success as a result of good fortune
down on one's luck
going through a time of hardship, poverty, or unsuccess
hard/tough/worse luck!
informal used to express commiseration
no such luck
informal unfortunately not
try one's luck
attempt to do something that may or may not succeed
[Middle English lucke from early Dutch luc]