slide away

Translations
ускользнуть
The opportunity slid away before he could grasp it.
Возможность ускользнула, прежде чем он смог её схватить.
Definitions
To move smoothly and quietly from one place to another, often implying a sense of ease or subtlety, or to escape or withdraw from a situation without drawing attention.
Words
slide

verb
скользить
away

adverb
прочь