| Subject | English | Russian |
| idiom. | make a split-second decision | принять мгновенное решение (The 30-year-old had to make a split-second decision – either slam on the brakes and come to a stop right next to the equally startled bear, or attempt to scoot around him and keep going.  nsnews.com ART Vancouver) |
| idiom. | make a split-second decision | мгновенно принять решение (The 30-year-old had to make a split-second decision – either slam on the brakes and come to a stop right next to the equally startled bear, or attempt to scoot around him and keep going. nsnews.com ART Vancouver) |
| gen. | split-second decision | моментальное решение (Taras) |
| gen. | split-second decision | мгновенное решение (Taras) |
| gen. | split-second decision | молниеносное решение (Taras) |