1.轻声低语；咕哝地抱怨
n.
1.轻声低语，小声抱怨 词形变化
- 名称 mutterer
- 时态 muttered，muttering，mutters
- 这些动词均有“低语”之意。
murmur通常指人、微风或小溪等的低沉、柔和或连续的声音。
mutter多指别人不易听到的低语。
whisper通常指耳语、窃窃私语。
- talk indistinctly; usually in a low voice
- a complaint uttered in a low and indistinct tone
- make complaining remarks or noises under one‘s breath
- a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech