Grasp at straws

Translation of "grasp at straws" into Russian

хвататься за соломинку

In his desperation, he was grasping at straws to find a solution.

В своем отчаянии он хватался за соломинку, чтобы найти решение.

To make a desperate attempt to save oneself or to find a solution, often when all other options have failed.