Mandarin: Gong Xi Fa Cai/Xin Nian Kuai Le
Cantonese: Kung Hei Fat Choi
Hokkien (Fujian/Taiwanese): Kiong Hee Huat Tsai/Sin Ni khòai lok
Source Simplified Chinese: 恭喜发财 新年快乐
Traditional Chinese: 恭喜發財 新年快樂
Source Now, here's to hoping I didn't make too big a fool of myself.