What matters is being able to knuckle down when things get serious.

But the commander refused to knuckle down to any show of arrogance.

Expect Mackenzie to knuckle down on project execution, boost productivity and cut costs.

But she had to knuckle down-takethe easy way for her.

He circled to her back and stroked a knuckle down the exposed skin.

I am just going to get in there, knuckle down and do my best.

Sounds drastic, but that's what made me knuckle down and write March to November.

Wanting to comfort her, he traced a knuckle down the curve of her cheek.

Son or daughter failing to knuckle down to the revision?

Frank, once more I knuckle down to your superior wisdom.

Looks like I'm not gonna be a pro anything, and I better knuckle down.

Now I have to knuckle down, I need to hit the ground running, he said.

Like Humar, he came under pressure to give up his freewheeling lifestyle and knuckle down.

It was Bob who gave me the determination to knuckle down and get over it.

I'm not going to knuckle down to a yellow-stomach-

If you knuckle down and pass examinations a year early, why, I'll help you through college.