他不屈不挠的精神帮助他对抗病魔。用英语怎么说？

他不屈不挠的精神帮助他对抗病魔。

His indefatigable spirit helped him to cope with his illness...

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

indefatigable

adj. 不倦的，不屈不挠的，不眠不休，不懈；

例句
His indefatigable spirit helped him to cope with his illness...
他不屈不挠的精神帮助他对抗病魔。

spirit

n. 精神，心灵，情绪，勇气，精髓；v. 神秘地带走；

例句
Their cultural backgrounds gave them a spirit of adventure.
他们的文化背景赋予了他们一种冒险精神。

helped

v. 帮助( help的过去式和过去分词 )，有助于，有利于，治疗，避免；

例句
The scriptwriter helped him to adapt his novel for the screen...
编剧帮助他将其所著小说改编成电影。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

cope

vi. 成功地应付，对付，对抗；n. 长袍，斗篷状覆盖物，墙帽；vt. 笼罩，给…盖墙压顶；

例句
...parents who feel they cannot cope or might abuse their children.
认为自己应付不来或可能会虐待孩子的父母

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

illness

n. 疾病，某种具体疾病，不健康；

例句
Although his mental illness had coincided with his war service it had not been caused by it...
虽然他的精神病刚好在他参战期间发作，但并不是由此引起的。