Translation guide
How to express being unable to speak in Japanese, covering physical inability, emotional shock, language barriers, and situational muteness.
The person cannot produce speech due to a physical condition, such as being mute, having a sore throat, or losing their voice.
Literally 'voice doesn't come out'. The most common and natural way to say you've lost your voice or cannot speak due to a temporary physical issue like a cold or laryngitis.
I can't speak because of a cold.
I haven't been able to speak since yesterday and it's a problem.
Literally 'mouth cannot function'. Used for someone who is mute or unable to speak due to a disability or shock. Can sound more permanent or serious than 声が出ない.
He has been unable to speak since birth.
Medical term for aphonia or loss of voice. Used in clinical contexts.
The person is so overwhelmed by emotion that they are temporarily speechless.
Literally 'words don't come out'. Used when you are at a loss for words due to surprise, shock, or strong emotion.
The person does not know how to speak a particular language.
Pattern: [language] + が話せない. The standard way to say you cannot speak a language.
The person is capable of speech but cannot speak due to circumstances, rules, or anxiety.
The potential form of 話す (to speak). Simply means 'cannot speak'. Context determines the reason.
声が出ない (koe ga denai) focuses on the physical inability to produce voice, like when you have a sore throat. 話せない (hanasenai) is broader and can mean you cannot speak for any reason, including language barriers, nervousness, or rules.
My throat hurts and I can't speak (no voice comes out).
I was diagnosed with aphonia.
I was so surprised I couldn't speak.
I'm so moved I can't find the words.
Literally 'lose one's voice'. Can be used for both physical and emotional reasons, but often implies a dramatic loss of speech due to shock.
She lost her voice from fear.
To be at a loss for words, to be speechless. Often used when someone is so surprised or shocked that they can't respond.
I was speechless at his rude attitude.
I can't speak Japanese.
He cannot speak English.
Pattern: [language] + はできません. A polite way to say you cannot speak a language, often used with ことば (language) or specific language names.
I cannot speak French.
I was so nervous I couldn't speak.
I can't speak during the meeting.
Cannot make a statement or speak up, often in a formal setting like a meeting or class.
I cannot speak on that issue.
Literally 'not open one's mouth'. Used when someone refuses to speak or stays silent intentionally.
He didn't say anything and wouldn't speak.
日本語が話せない。
I can't speak Japanese.
The phrase '話すことができない' is grammatically correct but often sounds stiff or overly formal. Use more natural expressions like 声が出ない or 話せない depending on context.