Translation guide
Describes physical or mental weakness, often due to age or illness. In Japanese, the concept is expressed through nouns and adjectives that convey frailty, disability, or chronic weakness.
Describing a general state of bodily weakness, often associated with old age or chronic illness.
A formal noun meaning physical weakness or frailty. Commonly used in medical or descriptive contexts.
Referring to a long-term medical condition that limits physical ability.
A chronic disease or ailment one suffers from. Commonly used in personal contexts.
Describing a lack of mental strength, resolve, or moral failing.
General noun for weakness, including mental or emotional fragility.
The English word 'infirmity' is formal and somewhat old-fashioned. In Japanese, there is no single exact equivalent. Choose the expression based on context: physical weakness, chronic illness, or mental fragility.
He has a weak constitution.
Refers to debility or emaciation, often from illness or aging. Implies a progressive weakening.
He is weakened by illness.
A common, everyday phrase meaning 'physically weak'. Used to describe someone prone to illness or lacking strength.
My grandmother is frail.
I have a chronic illness, so I can't overdo it.
Disability or impairment. Can be physical or mental. Often used in legal and social contexts.
Support for people with physical disabilities is necessary.
彼の心の弱さが問題だ。
His mental weakness is the problem.