万圣节
wan sheng jie
You can write "Happy retirement" in Chinese as "幸福退休" (Xìngfú tuìxiū).
愉快的万圣节
The Chinese neaning of Myself is 我自己, and I is mean 我. I am a Chinese, I'm very happy to answer you question.
節日快樂
The happy used in "I'm very happy": 高興 Gāo xìng
万圣节快乐 [kàn shèng jié kuài lè]
Vrolijk Halloween
'Joyeux Halloween"
Glædelig Halloween
Joyeaux Halloween!
快乐普珥节 - Chinese Simple 快樂普珥節- Chinese Traditional
Old Navy sells a lot of Halloween themed shirts with Happy Halloween written on them, both in store and online. Amazon.com also sells Happy Halloween shirts. Most costumes do not say Happy Halloween on them, but you can always buy iron on transfers and add it to an existing costume.