锈

to corrode / to rust

handsome / refined / elegant / graceful / superior / show (loanword) / CL:場|场[chang2] / (literary) to grow / to bloom / (of crops) to produce ears

Character component without intrinsic meaning

to rust / to grow rusty / to corrode / oxidization

stainless steel

stainless steel

rust

rust prevention / anti-corrosion

corrosion / rust

rust spot / blemish (on plants)

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

verdigris

patina

(bird species of China) rusty-flanked treecreeper (Certhia nipalensis)

(bird species of China) slaty-backed flycatcher (Ficedula hodgsonii)

(bird species of China) rusty-bellied shortwing (Brachypteryx hyperythra)

(bird species of China) rusty-cheeked scimitar babbler (Pomatorhinus erythrogenys)

rusty iron

(bird species of China) rusty-fronted barwing (Actinodura egertoni)

a blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study (idiom)

stainless iron

a "screw that never rusts" — sb who selflessly and wholeheartedly serves the Communist Party, like Lei Feng 雷鋒|雷锋[Lei2 Feng1], to whom the metaphor is attributed

lit. brains rusty / ossified thinking