洞房

secret inner room / bridal room

cave / hole / zero (unambiguous spoken form when spelling out numbers) / CL:個|个[ge4]

surname Fang

house / room / CL:間|间[jian1] / branch of an extended family / classifier for family members (or concubines)

bridal room and ornamented candles / wedding festivities (idiom)

disturbing the privacy of bridal room (Chinese custom where guests banter with and play pranks on the newlyweds)

wedding night