Then she saw who was with him, and her knees gave way.

Her knees gave way and she collapsed on the ground.

For a moment, he thought his knees would give way.

When she looked up into William's eyes, he felt his knees give way.

Seven of Nine suddenly felt cold and her knees gave way.

Her knees very nearly gave, but the girl was following the two men out.

He had to give it up when his knees gave in.

The kid tried to get up, almost made it, and then his knees gave way.

His right knee gave every time he attempted a step.

His knees gave way and he sat down on the ground, suddenly enough to make the children laugh again.