He has thrown a spanner in the works.

He has thrown a wrench in the works.

He has thrown a wrench in the gears of our project.

He had thrown up the sponge and admitted defeat.

I have thrown someone a bone by giving them a small task to do.

He has thrown money away on useless gadgets.

Don't throw the baby out with the bathwater.

He thrown a sprat to catch a mackerel.

He has thrown a monkey wrench in the works.

After hours of trying to fix the broken computer, he finally threw up his hands in frustration.