开心颜 Traditional form: 開心顏 Pinyin (reading): kāixīnyán Definitions: to rejoice smiling Characters: 开 - to open; to start, to initiate, to begin 心 - heart; mind; soul 颜 - face, facial appearance Traditional characters: 開 - to open; to start, to initiate, to begin 心 - heart; mind; soul 顏 - face, facial appearance