待字

待字	dài zì	(literary) (of a young lady) to be awaiting betrothal
待	dāi	to stay; to remain
待	dài	to wait / to treat / to deal with / to need / going to (do sth) / about to / intending to
字	zì	letter / symbol / character / word / CL:个 / courtesy or style name traditionally given to males aged 20 in dynastic China