Translation guide
Describes speaking in a low, quiet voice, often to avoid being overheard or to convey a subdued tone.
To say something quietly, often to avoid being overheard or to express a subdued emotion.
The most common and neutral way to say 'in a low voice' or 'in undertones'. Used in everyday conversation.
He muttered something in undertones.
Implies whispering or speaking in hushed tones, often secretively. Slightly more specific than 小声で.
They were gossiping in undertones.
Literally 'in a low voice', focusing on the pitch rather than the volume. Can be used for undertones but may also just mean a deep voice.
He answered in undertones.
Means 'lowering one's voice' intentionally, often to avoid being heard. Conveys a deliberate action.
An onomatopoeic adverb for muttering or speaking in a low, indistinct voice, often to oneself.
He was complaining in undertones.
小声で話してください。
Please speak in a low voice.
She told me the secret in undertones.