dirt; disgrace

limescale

greasy dirt

dirt; grime

dental plaque; tartar

deeply accumulated filth

earwax

tea stain (on the inside of a tea pot, tea cup etc)

dried nasal mucus; booger

detergent

detergent

(idiom) to bear shame and humiliation

see 含垢忍辱[han2 gou4 ren3 ru3]

pure of heart

messy hair and dirty face; bad appearance

see 蓬頭垢面|蓬头垢面[peng2 tou2 gou4 mian4]

see 藏污納垢|藏污纳垢[cang2 wu1 na4 gou4]

to hide dirt, to conceal corruption (idiom); to shelter evil people and accept wrongdoing; aiding and abetting wicked deeds