muttering

he was muttering under his breath about the traffic.

i could hear her muttering to herself while she worked.

the old man was muttering complaints about the weather.

she caught him muttering something about the project deadline.

he was muttering angrily about the lost keys.

the child was muttering a nursery rhyme to himself.

i could hear him muttering instructions to his assistant.

she was muttering a prayer before bed.

he stopped muttering and started to explain his concerns.

the frustrated employee was muttering about the difficult software.

i heard him muttering about the unfair rules.