二に転てん三さん転てん

noun, noun or participle which takes 'suru', intransitive verb

changing repeatedly; seesawing; in flux

Describes a situation, plan, or story that keeps shifting direction or content, often with a sense of instability or unpredictability. Common in news and narrative contexts.

• 事じ件けんの証しょう言げんは二に転てん三さん転てんして、真しん相そうがわからなくなった。

  The testimony about the incident kept changing, and the truth became unclear.

• 計けい画かくが二に転てん三さん転てんして、結けっ局きょく何なにも決きまらなかった。

  The plan kept seesawing, and in the end nothing was decided.