别有洞天

place of charm and beauty / scenery of exceptional charm / completely different world

surname Bie

to leave / to depart / to separate / to distinguish / to classify / other / another / don't ...! / to pin / to stick (sth) in / (noun suffix) category (e.g. 性別|性别[xing4 bie2], 派別|派别[pai4 bie2])

to make sb change their ways, opinions etc

to have other... / to have a special ...

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

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

paradise / heavenly or beautiful place / fairyland

day / sky / heaven