lose hope ,
give up hope

After more than two hours, he began to lose hope.

And if I went with you, my people would lose hope.

The subject was his state of mind, and he quickly lost hope.

Either way, I lost hope of ever finding another one.

The pain from the cold was very great, and I began to lose hope.

Would such forms of control help those who may have lost hope for better lives?

I'd been there for six or seven days, and was beginning to lose hope.

I know very well he'd kill us all if he lost hope.

He never lost hope even when half the country was looking to kill him.

If they lose hope, no one can guess what is going to happen.