muffling
消聲
Muf·fle, v. t. [imp. & p. p. Muffled p. pr. & vb. n. Muffling ]
1. To wrap up in something that conceals or protects; to wrap, as the face and neck, in thick and disguising folds; hence, to conceal or cover the face of; to envelop; to inclose; -- often with up.
The face lies muffled up within the garment. --Addison.
He muffled with a cloud his mournful eyes. --Dryden.
Muffled up in darkness and superstition. --Arbuthnot.
2. To prevent seeing, or hearing, or speaking, by wraps bound about the head; to blindfold; to deafen.
3. To wrap or fit with something that dulls or deadens the sound of; as, to muffle the strings of a drum, or that part of an oar which rests in the rowlock; to muffle the exhaust of a motor vehicle.