Eat moon cakes on August 15th and type a four-character idiom: once a year. There are also the following riddles about eating moon cakes on August 15: the moon on August 15-fair and square; Eat moon cakes on August 15-a holiday food; Eat moon cakes on August 15-just the right time; Moon cakes on August 15th-seasonal goods; Enjoy osmanthus in Mid-Autumn Festival-spend a full moon.

There are also the following two-part allegorical sayings: Mid-Autumn Festival has passed leap August-reunion is over and reunion is over; Mid-Autumn Festival weather-neither hot nor cold; Spend the Mid-Autumn Festival at Wangjiang Pavilion-get the moon first near the water tower; Planting early rice after the Mid-Autumn Festival-late season; Planting early rice after the Mid-Autumn Festival-late season; Moon cakes with ghosts-boring; The moon in Mid-Autumn Festival-aboveboard.