She had to make a split-second decision.

她必须在瞬间作出决定。

《牛津词典》

There was never any question of detaining or capturing him-it wasn't a split-second decision.

我们不会扣押或抓获他，这不是个一霎那的决定。

youdao

Leaders must, at any point, be willing to make a split-second decision with potentially long-lasting and profound impacts.

在某些情况下，领导者必须在瞬间做出一项可能影响深远的决定。

youdao

It was a split second decision.

BBC: Northampton

Maggie Harrison found the Oregon terroir, specifically the rocks, so compelling she made a split-second decision to move her family north and make wine there.

FORBES: Female Winemakers: Second In A Series Featuring Oregon

Harten says he "made a split-second decision" to offer Sullenberger Runway 13, the closest runway, and contacted LaGuardia tower to clear the runways for an emergency.

CNN: Controller thought Hudson landing would be 'death sentence'