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

To help us get some insight into this split-second decision-making process, we use eye-tracking equipment in our usability labs.

为了帮助我们更深入了解短时间的决策过程，我们在我们的可用性实验室中使用了眼球追踪仪器。

youdao

It was a split second decision.

BBC: Northampton

After eyeing our open-topped jeep, he made a nervous split-second decision to pounce, scattering the prey below, and vanished into the thick camouflage-scrub of the riverbank.

BBC: On the hunt with Hemingway

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