"Bù qīng yǒng"，拼音为bù qīng yǒng。百度百科解释：Bù means "not", and qīng "joyous, cheerful". A compound word: bù gēng yǒng (pronounced "bú xīn yǒng") is a combination of these two parts. The phrase means that someone or something has come to an unexpected conclusion, is joyful, and excited. When used in this way, it implies that the person being addressed feels a sense of relief, elation, or joy as if they had expected something good but found the situation difficult or undesirable.