I was in excruciating pain and one leg wouldn't move.

我处于极度痛苦之中，一条腿动弹不了了。

《柯林斯英汉双解大词典》

Trigeminal neuralgia, also known as tic douloureux, sometimes is described as the most excruciating pain known to humanity.

三叉神经痛，也称为抽动痛，有时被描述为人类已知的最严重的疼痛。

youdao

She went back to work for 10 hours and by the end of the day was in "excruciating pain".

10个小时后他就回去工作了，那天晚些时候，我感觉到了“剧痛”。

youdao

The venom can kill dogs and cats. It can also cause temporary blindness and excruciating pain in people if the poison gets into the eyes or mouth.

VOA: standard.2010.02.07

"The pain was excruciating." "I never remembered a pain like that and I've had five children."

VOA: standard.2010.03.14

With the enzymes trapped inside the pancreas, the gland becomes inflamed, causing excruciating pain.

CNN: Ashcroft remains in intensive care

Harvard doctors showed in 1992 that through-the-needle ablation could relieve excruciating pain from benign bone tumors.

FORBES: Magazine Article

"I was just sitting down at the table and felt an excruciating pain in my back, " he said.

BBC: Stoke City legend Terry Conroy recovers from surgery