Breaking a mirror: an action that according the superstition will bring you bad luck.
My sister broke a mirror and now she is trapped in the mirror.
Carrying a rabbit's foot: an action that according to superstition will bring you good luck.
Yesterday I took a rabbit foot an now I have good luck.
Catching a falling leaf: an action that according to superstition will grant the catcher a wish or bring good luck.
If you catch a falling leaf make a wish.