如堕烟雾

Explanation: Language of the Southern Song Liu Yiqing "Shi reward reputation": "Wang Zhongzu, Liu Zhen Yan Zhongjun made long talk about actually all _set_ to Liu that WANG Yue: 'origins arguably!' WANG Yue: 'it is falling into the Qing clouds, '"Yan Zhongjun means Yanhao, word origins. After the "lost in smoke," "lost in a fog" to describe the direction of a loss to no avail, or illegible. 　　Source: Language of the Southern Song Liu Yiqing "Shi reward reputation," Wang Zhongzu, Liu Zhen Yan Zhongjun made long talk about actually all _set_ to go. WANG Yue Liu said that 'origins arguably! 'WANG Yue' Qing it fell of its clouds. '"Yan Zhongjun means Yanhao, word origins.