How do you say good luck in Arabic?
— حظ سعيد (HaZZ sa3iid!); حظا سعيدا (HáZZan sa3iidan!)

Related synonyms for good luck in Arabic
break(Arab'كسر) (kásara), (Arab'انكسر) (inkásara)
Generic synonyms for good luck in Arabic
luck(Arab'حظ) (ḥaẓẓ), (Arab'بخت) (baxt)