happy monthsary
happy in Chinese is "gao xing" it also means glad
fah-kew-azi-ho
有所乐 (Yǒu suǒ lè)
sheng ri kuai le
qing ren jie kuai le
The phrase "advance happy Chinese New Year" in Mandarin is "推進中國新年快樂."
Gong ru kuai la (in pinyin)
ni hen piaoliang
周年快乐 (zhou-nian kuai-le)
wo hen xing fen
To say "sad" in Mandarin, you can use the word "伤心" (shāng xīn).