muffle /ˈmʌfəl/ TEM4 ( muffling, muffled, muffles )

• 1. 

  V-T If something muffles a sound, it makes it quieter and more difficult to hear. 压低 (声音)

  例：

  Blake held his handkerchief over the mouthpiece to muffle his voice.

  布莱克用手帕遮住话筒来压低声音。

• 2. 

  V-T to wrap up (the head) in a scarf, cloak, etc, esp for warmth 包住; 裹起来