Secret agreement: agreement; Period: date. Reach a secret agreement with each other

Source: Yuan Anonymous's Dream of the Cloud Window, the third fold: "Stealing private life, leaving home."

Secret contract: agreement; Period: date. Make a secret agreement with each other. Refers to a man and a woman who decide for life in private.

Source: Yuan Anonymous's "Fujin Yuanbao" is the first discount: "It is not like a secret appointment before the sun, the moon and the stars."

The moon in the west wing refers to lovers' private meeting.

Source: Tang Yuanzhen's poem "Three Nights in the Moon" "Waiting for the west wing of the moon, the windward door is half open. The flowers on the wall are moving, and they are suspected to be jade people. "

I'm dating someone at dusk. Couples date.

Source: Song Ouyang Xiu's "Health Mistakes" word: "Last year's Lantern Festival, the flower market was lit like a day. When the moon reaches the willow tip, people will be around dusk. " Yuan anonymous's "Dream in a Cloud Window" has the second discount: "When you leave the guest, early education is anxious, and you are afraid of standing up at dusk."

Mulberry Covenant refers to a date between a man and a woman.

Yan period is a metaphor for dating between men and women who love each other.

Source: Yuan Hao Changling's Zhang Tianshi, the second discount: "Wait, wait, wait, wait, then you will be happy to go to Yan Yueying."