"Kullu Sana wa Antum bi-Khayr!" Greeting used at holidays, birthdays, etc. to express good wishes: "May you be well with every coming year!" Kullu--each, every Sana--year Antum--you, plural bi-Khayr--Well, good, "in wellness"
You will hear Arabs say it in many different ways. "Kullu cAam wa Antum bi-Khayr" (cAam is another word for 'year') "Kulli Sana wi Intu Tayyibiin" (This is what Egyptians say) "Kulli cAam wa Intu Salmiin" ( This is what Palestinians and Syrians say)
cIid al-Miilaad--Christmas (Holiday of the Birth) "cIid al-Miilaad Saciid!"--Merry Christmas! "Bayt Lam" Arabic name for Bethlehem
cIid al-Fir--Festival of Fast-Breaking--The holiday which ends the month of Ramadan. "cIid Mubaarak!" Blessed Eid!