They Don't.
don't let a black cat cross your path it's bad luck. don't step under a ladder it's bad luck. don't break a mirror, it's seven years bad luck friday the 13th is bad luck living on the 13th floor is bad luck four leaf clovers are good luck
i know a person who has a superstition about black cats, she thinks they are bad luckexamples of superstitions:it's bad luck to walk under a ladderyou get 7 years bad luck if you break a mirrorhorse shoes are good luckfour leaf clovers are good luckthrowing salt over your right shoulder is good luckA sentence could be:My friend has a superstition about mirrors, if they crack they give you bad luck.
Monkey bring bad luck not good luck.
Good luck if its heads, bad luck if its tails.
good (:
Bad luck.
good luck
Good luck
777 really doesn't count bad or good. It is Good Luck in Las Vegas!
No. There is no such thing as a "good luck" or "bad luck" plant.
no,and there's no thing as BAD LUCK OR GOOD LUCK