桑中之约

Explanation: Sang in: between mulberry. Refers to men and women about secret tryst. 　　Source: "Poetry Yong Sang in the wind," I'm almost of mulberry, to me almost on the house, sent me over almost Ki carry on. " 　　Examples: ~, Can not be long. Under 帡 Masked, if willing to give marriage a good day, parents will think that wing, when all shelter, Yi Su as interest. (Qing Pu "Strange sinus")