Translation guide
To shrug is to raise your shoulders briefly to express doubt, ignorance, indifference, or helplessness. Japanese does not have a single verb that directly translates 'shrug'; instead, you describe the gesture or use phrases that convey the same attitude.
Describing the action of shrugging one's shoulders.
This is the most direct way to describe the physical act of shrugging. It literally means 'to narrow one's shoulders'.
Instead of answering the question, he shrugged his shoulders.
Literally 'to raise one's shoulders'. This can describe the motion but is less idiomatic than 肩をすくめる for the shrug gesture.
She raised her shoulders while saying 'I don't know.'
Conveying the attitude of not knowing or being unsure, often accompanied by a shrug.
An interjection used when you don't know the answer, similar to 'well...' or 'who knows'. Often said with a shrug.
'What's the weather tomorrow?' 'Who knows, I don't know.'
Literally 'I don't know'. Can be used with a shrug to indicate ignorance, but may sound blunt if used alone.
He shrugged and said, 'I don't know.'
Means 'I don't understand' or 'I don't know'. Commonly used with a shrug.
I don't know why he's angry. (with a shrug)
Showing that you don't care or it doesn't matter.
Means 'it doesn't matter' or 'whatever'. Often used with a shrug to show indifference.
He shrugged and said, 'Whatever.'
A casual way to say 'nothing really' or 'not particularly'. Often used with a shrug to downplay something.
Means 'oh well' or 'I guess it's fine'. Conveys a resigned shrug.
I missed the train, but oh well. (with a shrug)
Showing that you can't do anything about a situation.
There is no single Japanese verb that means 'to shrug'. Instead, describe the gesture (肩をすくめる) or use phrases that convey the attitude. Saying 'shrug' in English and expecting a direct translation will lead to confusion.
For natural Japanese, you can describe the shrug gesture and then add the spoken phrase, e.g., 肩をすくめて「さあ」と言った (He shrugged and said, 'Who knows').
「何かあった？」「別に。」
'What's wrong?' 'Nothing.' (with a shrug)
He shrugged and said, 'It can't be helped.'