Therefore I'm giving up for now. I'll still try to check out other possibilities but ... I think hopes are slim.

The kidnappers showed no sign of giving up.

When they saw that they were losing, they gave up.

He held up his hands in token of surrender.

He gave in.

The enemy gave in without further resistance.

The enemy finally gave in.

The man fought bravely but finally gave in.

It was a long war because neither side would give in.

Don't throw in the towel.

I would sooner die than give up.

I give up.

Under the circumstances we have no choice but to surrender.

You have been beaten. Give in!

The pirates had no choice but to surrender.

Having lost the game over and over again, he finally gave in.

I shall never give up.

Ken laid down his arms.

When it came to the crunch she just gave in.