Generations of Chinese children have puzzled themselves over "a thousand threads, a million threads; into the water, they can't be found '' until, after hints and prompting from parents or teacher, they finally come up with" rain. "
許多人的童年時代，都猜過「千根線、萬根線，掉到水裡就不見」的謎語吧！小孩子得經過爸媽、老師的嚴重洩題，才會猜出「雨」字。