mutterKK [ˈmʌtɚ] ｜ /ˈmʌtɚ/
GEPT 中高級
B2verb
To speak in a low voice or indistinctly; to mumble or murmur.
The old man moved his lips and muttered something under his breath which I couldn’t quite catch.
嘀咕；含糊低語
B2noun
A low, continuous, indistinct sound; often accompanied by movement of the lips without the production of articulate speech.
As she walked away from the argument, I could hear her mutter complaints under her breath.
嘟囔聲；不清楚的低語
B2verb
To grumble or complain in a low voice or under one’s breath.
I could hear him mutter complaints about the new policy as he walked out of the boss’s office.
B2noun
A complaint uttered in a low and indistinct tone.
She could hear him mutter curses under his breath as he struggled to fix the broken machine.