寵擅專房

an especially favored concubine (idiom)

to love / to pamper / to spoil / to favor

without authority / to usurp / to arrogate to oneself / to monopolize / expert in / to be good at

for a particular person, occasion, purpose / focused on one thing / special / expert / particular (to sth) / concentrated / specialized

surname Fang

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