快乐 kuàilè HSK2 happy Definitions Defs Origin Strokes Stroke Words Sentences Sents 生日快乐 shēngrìkuàilè happy birthday Happy birthday新年快乐 xīnniánkuàilè Happy New Year Happy New Year!助人为快乐之本 zhùrénwéikuàilèzhīběn helping others pleasure from helping others圣诞快乐 Shèngdànkuàilè Merry Christmas 快乐大本营 Kuàilè Dàběnyíng Happy Camp Happy Camp (PRC TV series)