Translation guide
This English phrase describes a state of total confusion, not knowing what to do, or being utterly unable to understand or respond. Japanese has several common expressions that capture this feeling, ranging from everyday spoken phrases to more formal or written ones.
Expressing that you have no idea how to handle a situation, are stuck, or have run out of options.
A very common phrase meaning to be at a loss, not knowing what to do, often with a nuance of being helpless or bewildered.
突然の知らせに途方に暮れた。
I was completely at a loss at the sudden news.
彼はどうしていいかわからず、途方に暮れていた。
He was at a loss, not knowing what to do.
Literally 'hands up', this is a casual, spoken way to say you're stuck and have given up trying to figure something out.
この問題は難しすぎて、もうお手上げだ。
This problem is too difficult; I'm completely at a loss.
A straightforward, neutral phrase meaning 'I don't know what to do'. Very common in everyday speech.
こんな状況では、どうしていいかわからない。
In this situation, I'm completely at a loss.
Means to be perplexed or bewildered. Slightly more formal/written than 途方に暮れる, but still common.
彼の突然の辞職に、社員は困惑した。
The employees were completely at a loss over his sudden resignation.
Literally 'can't put out hands or feet', meaning you are utterly helpless and can't do anything about a situation. Often used when facing a superior opponent or an insurmountable problem.
相手が強すぎて、手も足も出なかった。
The opponent was too strong; I was completely at a loss.
Expressing total confusion or lack of comprehension, often when faced with something puzzling or inexplicable.
A very common, slightly casual phrase meaning 'I have absolutely no idea' or 'I don't understand at all'.
この説明書、さっぱりわからない。
I'm completely at a loss with this manual.
A colloquial, onomatopoeic phrase meaning something is completely incomprehensible, like gibberish. Often used for foreign languages or technical jargon.
彼の話は専門用語ばかりで、ちんぷんかんぷんだった。
His talk was full of technical terms; I was completely at a loss.
Means 'I have no clue' or 'I can't even guess'. Used when you have no idea about something.
なぜ彼が怒っているのか、見当がつかない。
I'm completely at a loss as to why he's angry.
Expressing that you are so surprised, shocked, or moved that you cannot find the right words to say.
Literally 'to lose words', this is the most direct equivalent for being speechless or at a loss for words.
あまりの美しさに言葉を失った。
I was completely at a loss for words at the beauty.
A more conversational way to say 'I don't know what to say'. Very natural in spoken Japanese.
突然のプレゼントに、何と言っていいかわからなかった。
I was completely at a loss for words at the sudden gift.
Means 'I have no words to reply with', often used when you are so overwhelmed or proven wrong that you can't respond.
彼の正論に、返す言葉がなかった。
I was completely at a loss for words at his sound argument.
途方に暮れる emphasizes a helpless, stuck feeling, often in a difficult situation. 困惑する is more about mental perplexity and is slightly more formal. In casual speech, どうしていいかわからない is the most neutral and common.
Do not translate 'be completely at a loss' word-for-word into Japanese. Phrases like 完全に失っている are not natural. Use the expressions above depending on the nuance.
A more formal expression meaning 'to be at a loss to understand', often used when something is illogical or hard to accept.
彼の行動は理解に苦しむ。
I am completely at a loss to understand his behavior.