嘴甜心苦 Traditional form: 嘴甜心苦 Pinyin (reading): zuǐtiánxīnkǔ Definitions: sweet mouth, bitter heart (idiom); insincere flattery Characters: 嘴 - mouth, lips 甜 - sweet, sweetness 心 - heart; mind; soul 苦 - bitter; hardship, suffering Traditional characters: 嘴 - mouth, lips 甜 - sweet, sweetness 心 - heart; mind; soul 苦 - bitter; hardship, suffering