Happy Halloween翻译成英语就是“Happy Halloween”。

The phrase "Happy Halloween" is already in English. It is a common greeting or wish used during the Halloween holiday season, which is celebrated on October 31st. Halloween originated from ancient Celtic festivals and has evolved into a modern holiday known for costumes, trick-or-treating, pumpkin carving, and various spooky activities. The phrase "Happy Halloween" is a friendly and festive way to wish someone well during this time, expressing good intentions and a sense of fun. It is similar to other holiday greetings like "Merry Christmas" or "Happy Thanksgiving," where the focus is on spreading joy and goodwill. Whether you're dressing up in a costume, carving a pumpkin, or gathering with friends and family, "Happy Halloween" serves as a warm and inviting message to share the spirit of the occasion. So, if you want to wish someone a Happy Halloween, you can simply say "Happy Halloween" back, as it is already the English translation of the phrase. Enjoy the festivities and have a spooky and fun-filled holiday!