动词过去式:muffled 过去分词:muffled 现在分词:muffling 第三人称单数:muffles
1 [Tn, Tn.pr, Tn.p] ~ sb/sth (up) (in sth) wrap or cover sb/sth for warmth or protection 包裹或覆盖某人[某物]（为保暖或保护）
*He walked out into the snow, heavily muffled (up) in a thick scarf and warm overcoat. 他雪天出门, 裹着厚厚的围巾, 穿着暖和的大衣.
2 [Tn, Tn.pr] ~ sth (with sth) make the sound of sth (eg a bell or a drum) quieter by wrapping it, covering it in cloth, etc 包住（如铃或鼓）（使声音低沉）
*muffle the oars of a boat, ie wrap the blades to stop them splashing noisily 包住船桨（包住桨叶以减低溅水声）.
[Date: 1400-1500; Origin: Perhaps from Old French moufle 'glove', from Medieval Latin moffula; MUFF1]
to make a sound less loud and clear, especially by covering something
The falling snow muffled the sound of our footsteps.
Her voice was muffled by the pillow in which she had hidden her face.
alsomuffle sb up [usually passive]
to cover yourself or another person with something thick and warm
be muffled (up) in sth
Penelope arrived, muffled up in a thick coat.