Qing Ren Jie Kuai Le
Shiawase na barentaindē
"Shengrikuaile" is a greeting in Chinese that means "Happy Birthday" when translated to English. It is often used to wish someone a happy and joyous birthday celebration.
Coca cola, when translated into Chinese means "To make mouth happy"
You say happy valentines day. We speak English too.
"I am happy!" in English is Sono felice! in Italian.
"You are happy!" in English is Tu sei felice! in Italian.
No gay once meant happy in English, but it does not mean happy in Chinese.
Infelice
"Happy home!" in English is Casa felice! in Italian.
"I am happy with you!" in English is Sono felice con te!in Italian.
Valentine's Day is not a traditionally celebrated holiday in Vietnam. As such, there is no direct translation for the word Valentine. Happy is translated as 'hanh phuc'; Day is translated as 'ngay'. To directly translate the full phrase "Happy Valentine's Day" is "ngay hanh phuc Valentine". For the Vietnamese familiar with that celebratory day they will most likely say happy Valentine's day in English.
"Happy birthday, auntie!" in English is Buon compleanno, zietta! in Italian.