Furthermore, never use an auxiliary lever to screw up the jaws.
Then, perhaps, they will screw up their courage to make another assault.'
I don't want the sun right in his face, it makes him screw up his eyes.
Then you can screw up my machine a good deal higher, and it will support us both.
I'd screw up a spell, only there's no gettin' inside of the stove.
To put it quite plainly, they were trying to screw up their courage.
“Well, what I was trying to screw up courage to say was this,” he went on.
If she could only screw up her courage to the sticking-point!
I shall try to screw up courage and take him on a bust now and then.
You've still got some strength, and now I'll screw up your machinery again.