let up on造句怎么写

George pitched a ball that was very fast and the batter missed he let up on the next pitch and the batter was badly fooled.

I wish their mother would let up on the children.

We nust plod away at our task no matter how difficult it is; we mustn't let up on it.

"Toy Story," for example, took four years to make while Pixar struggled, yet Mr. Jobs never let up on his colleagues.

Isn't it about time you let up on me?

All right, Huck, it's a whiz! Come along, old chap, and I'll ask the widow to let up on you a little, Huck.

I can see that you're not going to let up on this.

When she fights strong and the tiller slips a little, in a jerky, greasy sort of way, let up on her a trifle;