腐 - rot, decay, sour

stale; hackneyed; clichéd

tofu; bean curd; beancurd

decomposition; putrefaction; putrescence; spoilage

taking great pains (to do); making every effort; having a lot of trouble (doing); racking one's brains

to rot; to go bad; to decay; to spoil; to fester; to decompose; to turn sour (e.g. milk)

rot; decay; erosion

to let spoil; to leave to rot; to cause to rot; to corrode

unused possession

paltry sum (of money)

(undesirable but) inseparable relationship

humus; leaf mold; leaf mould; mulch

decay; deterioration; rot