1.
to fall ill; to lose one's health; to become unwell
To have one's physical condition deteriorate, typically due to overwork, stress, lack of sleep, seasonal changes, or other factors. Implies a decline from a previously healthy state.
体調を崩した。
I fell ill.
季節の変わり目に体調を崩しやすい。
It's easy to get sick at the change of seasons.
無理をしすぎて体調を崩し、一週間会社を休んだ。
I pushed myself too hard, fell ill, and took a week off from work.
USAGE:
A very common and natural way to express becoming unwell in Japanese. More neutral and everyday than 病気になる (to get sick), which implies a specific illness. 体調を崩す covers a broader range of health decline, from mild fatigue to serious illness.
COMMON COLLOCATIONS:
- 体調を崩しやすい (prone to falling ill)
- 体調を崩して休む (to take time off due to illness)
- 無理をして体調を崩す (to fall ill from overexertion)
SIMILAR WORDS:
- 病気になる: to get sick — implies a specific, diagnosable illness
- 具合が悪い: to feel unwell — describes the current state rather than the change