lie in ambush

Translations
засесть в засаде
The soldiers lay in ambush, waiting for the enemy to approach.
Солдаты засели в засаде, ожидая приближения врага.
Definitions
To conceal oneself in a hidden location with the intention of surprising or attacking someone who approaches.
Words
lie

verb
таиться
in

preposition
в
ambush

noun
засаде