She stood, her legs threatening to withdraw their support.

Her legs threatened to give way and she stumbled away from the table.

Her legs shook and threatened to give way beneath her.

When they turned to start down the hall, Maia almost fell as her left leg threatened to give out.

I sat quickly, feeling my legs soften and threaten to give out from under me.

I walked forward even though my legs were trembling and threatening to buckle.

Renie's legs had been threatening to give way, and now they did.

They were both breathing fast, and Polly's legs threatened to give way at any second.

Her legs were threatening to give way at the knees.

His legs threatened to buckle under him but he kept running.