喜 ㄒㄧ ˇ xǐ 怒 ㄋㄨ ˋ nù 哀 ㄞ āi 乐 ㄌㄜ ˋ lè 喜 ㄒㄧ ˇ xǐ 怒 ㄋㄨ ˋ nù 哀 ㄞ āi 樂 ㄌㄜ ˋ lè four types of human emotions, namely: happiness 歡喜|欢喜[huan1 xi3], anger 憤怒|愤怒[fen4 nu4], sorrow 悲哀[bei1 ai1] and joy 快樂|快乐[kuai4 le4]