一転
一転する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 一転する | 一転しない |
| Polite | 一転します | 一転しません |
| Past polite | 一転しました | 一転しませんでした |
| Past | 一転した | 一転しなかった |
| Te-form | 一転して | 一転しないで |
| Desire | 一転したい | 一転したくない |
| Potential | 一転できる | 一転できない |
| Passive | 一転される | 一転されない |
| Causative | 一転させる | 一転させない |
| Causative passive | 一転させられる | 一転させられない |
| Volitional | 一転しよう | |
| Polite volitional | 一転しましょう | |
| Imperative | 一転しろ | 一転するな |
| Conditional | 一転すれば | 一転しなければ |
| Tara conditional | 一転したら | 一転しなかったら |
Meanings
noun, noun or participle which takes 'suru', intransitive verb
one turn; spinning around
Literal physical rotation: a single turn or revolution. Often used in sports, dance, or mechanical descriptions.
In figure skating, the athlete spun around once and captivated the audience.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb, adverb
complete change; reversal; about-face
Abstract change: a sudden, dramatic shift in situation, opinion, policy, or weather. Common in news reports. Can be used as a noun, suru-verb (intransitive/transitive), or adverbially.
The situation completely reversed, and they gained the advantage.
He did an about-face on his attitude.
The weather suddenly changed to heavy rain.
Usage patterns
- 〈事〉が一転するfor a situation to suddenly change/reverse
The situation in the game suddenly turned around.
- 体を一転させるto spin one's body around once
The gymnast spun her body around once in mid-air.
- 一転して〈事〉になるfor things to suddenly turn into a different state
The sunny weather suddenly turned into heavy rain.
- 〈事〉を一転させるto suddenly change/reverse something (e.g. attitude, policy)
He suddenly did a complete about-face in his attitude.