What does "dirty work" mean?

Pet, servant, scale, matchmaker, pawn, demon, thief, thief, prostitute.

High platform, hair dryer, circus, push, pool, back rubbing, repair, matching, prostitute

Beat dogs, sell oil, pedicure, shave hair, carry food, tailor, prostitute, hair dryer.

Witches, prostitutes, great gods, bangzi, shaved heads, hand-blowers, artists, street vendors, and sugar sellers.

Remarks:

Zhongjiuliu

Doctor, Xiang Ming, Dan Qing, scholar, monk, Tao, Ni.

Scholar, doctor, Dan Qing, leather (shadow play), playing the piano and singing, gold (divination), monk, Taoist, chess, piano.

Lizi, medicine, geomantic omen, criticism, painting, monks, Taoism, chess, calligraphy and painting.

Shangjiuliu

Emperors, sages, hermits, immortals, literati, warriors, agriculture, industry and commerce.

Buddha, heaven, emperor, official, cabinet old, prime minister, advance, lift, and solve yuan.

Buddha, immortal, emperor, official, bucket official, scale, industry, commerce, zhuangtian

Buddha, Immortal, Emperor, Official, Shaoguo, Dang, Shang, Hakka, Zhuangtian