我无法描述失去工作时所遭受的痛苦。

I can't describe the ___pain I suffered when I lost my job.

那次争吵的记忆仍然给她带来巨大的痛苦。

The memory of that argument still causes her great ___pain.

他给我带来了如此多的痛苦，以至于我无法原谅他。

He had caused me so much ___pain that I was unable to forgive him.