luck of the Irish
It means they wish them well in whatever they are doing. If someone is starting a new job, a friend would say "good luck!"
Dreams about winning the lottery can reflect a desire for financial abundance, luck, or success in waking life. It may also symbolize a feeling of being rewarded or feeling fortunate in some aspect of your life. Overall, the dream likely reflects your subconscious thoughts and feelings about luck and prosperity.
"Sobhagya" is a Sanskrit word that means good fortune, lucky, or auspicious. It is often used to refer to someone who is blessed with good luck and prosperity.
consequently
A phrase that I can understand would be " I doubt they are going to pass this test" or " I doubt this is going to happen." Other phrases that exhibit doubt include "I don't think so" or "We don't believe (that)" or "It might not be possible." References that exhibit doubt include "it has been suggested (that)" or "it is not yet clear (if)."
Bahati njema! http://www.omniglot.com/language/phrases/swahili.php
Gamblers are some of the most superstitious people on earth. To some it would be good luck, to some bad luck.
See related links for a VERY good webpage of phrases.
Some of the native American good luck charms includes the ruby, the labis, and the opal. Some of these good luck symbols and good luck charms were used in some sort of celebration.
beez in trap
good lord what have you done
Try to learn some Thai phrases and traditions, but don't go overboard, and be very respectful of her family if you ever meet them. โชคดี- Thai for good luck
http://www.whats-your-sign.com/good-luck-symbol.html
Well in many cultures kissing a lamb is good luck
The current phase of the moon is "new moon".
Some people use the expression good fortune for good luck but it's hardly archaic. An archaic word for luck, or chance, is hap.
He is pretty good some people say he is not that good