忽忽不乐

Explanation: Huhu: empty heart love trance state. Describe something missing and annoyed. 　　Source: "Records of Prince Liangxiao family": "Thirty-five years of winter, re North Korea. Memorial want to stay, the Eph expectations. Returnees, Italy Wuwu not music." 　　Examples: Qinshao disgrace Furuto, Italy ~. (Zeng Min Song line "Awake magazine" Kango)