He did what he could to allay his wife's fears.是什么意思？

He did what he could to allay his wife's fears.

他竭尽所能来消除妻子的各种恐惧。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

did

v. 做( do的过去式)，干，学习，研究；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

what

pron. （用以询问某人或某事物的词）什么，多少，…的事物；adj. …的（事物或人）；adv. （用于感叹句中）；int. （用以表示不相信或惊奇），（用以表示未听清楚对方说的话）；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

could

aux. “can”的过去式，能够，打算，用于假设语气的条件句，用于虚拟语气的结论句；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

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。

allay

vt. 减轻，缓和，使冷静，使平静，止渴，消痛；

例句
He did what he could to allay his wife's fears.
他竭尽所能来消除妻子的各种恐惧。

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。

fears

n. 害怕( fear的名词复数 )，可能性，（对神等的）敬畏，忧虑；v. 畏惧( fear的第三人称单数 )，为…忧虑（或担心、焦虑），敬畏（神等），感到害怕；

例句
Mr King sought to address those fears when he spoke at the meeting...
金先生在会上讲话时试图消除那些恐惧。