Still the mighty Bhima could not raise the tail with both his arms. And his eye-brows were contracted up, and his eyes rolled, and his face was contracted into wrinkles and his body was covered with sweat; and yet he could not raise it. And when after having striven, the illustrious Bhima failed in raising the tail, he approached the side of the monkey, and stood with a bashful countenance.
In plain words: Even with all his strength, straining and sweating, Bhima cannot lift the tail. He gives up and stands beside the monkey, embarrassed.