grunting ['grʌntɪŋ]

例句:

• I could hear Travis's hogs grunting sleepily in their pen.
  来自W. Styron
• Dolly clutched her belly and gave a sudden grunting howl.
  来自J. Krantz
• Or rather a grunting, cursing, profusely sweating one.
  来自THETIMES
• He pulled harder on the rope, grunting with the effort.
  他边用力边哼声，使出更大的力气拉绳子。
  
• Pigs were grunting and squealing in the yard.
  猪在院子里哼哼地叫个不停。
  
• He squatted, grunting at the pain in his knees.
  他蹲在那儿，双膝的伤痛得他直哼哼。