きゅうてんかい

I

きゅうてんかい【急展開】

a rapid development [unfolding].

～する rapidly develop [unfold].

●失踪者の遺体が発見されて事件は急展開した. When the body of the missing person was found, the case rapidly unfolded.

●情勢の急展開 a rapid unfolding of a situation.

II

きゅうてんかい【急転回】

a sudden change [new turn].

～する make a sudden change; take a sudden new turn.

●倉田氏の出馬声明で事態は急転回, 激しい選挙戦に突入した. With the announcement by Kurata that he would run, the situation suddenly changed, and a fierce election battle commenced.