乖乖 Traditional form: 乖乖 Pinyin (reading): guāiguai Definitions: goodness gracious! oh my lord! Characters: 乖 - obedient, well-behaved; clever 乖 - obedient, well-behaved; clever Traditional characters: 乖 - obedient, well-behaved; clever 乖 - obedient, well-behaved; clever