how to say merry christmas in japanese

"メリークリスマス" (Merry Christmas) is the most commonly used expression in Japanese to say "Merry Christmas." It is a direct translation of the English phrase and is widely used during the holiday season. However, there are other variations such as "kurisumasu omedeto gozaimasu" (literally, "Congratulations on Christmas") or "kurisumasu ni otsukaresama" (literally, "Please take it easy on Christmas") which can also be used to convey similar sentiments.