Explanation: Metaphor together quickly. Source: "Records of the Historian Huaiyin Hou Biography" Kuai Tong said '... ... people in the world combined fog _set_ clouds. "" Wen Lei Ju "大 cited the Southern Song Gu Ye Wang," Tiger Hill order "it is always a spot Qi Biao, King carving insects in the landscape; cloud joint fog _set_ to fight for praise in Linquan."