to smear; to wipe; to erase; classifier for wisps of cloud, light-beams etc

to plaster; to go around; to skirt

cleaning rag; also pr. [mo3 bu4]

lit. going round the curves and skirting the corners (idiom); fig. to speak in a roundabout way; to equivocate; to beat about the bush

to discredit; to defame; to smear sb's name; to bring shame upon (oneself or one's family etc); to blacken (e.g. commando's face for camouflage); to black out or obliterate (e.g. censored words)