Finally his mother relented and gave permission for her youngest son to marry.是什么意思？

Finally his mother relented and gave permission for her youngest son to marry.

最后他母亲作出让步，允许她的小儿子结婚。

finally

adv. 最后，终于，总算，末后，结果；

例句
...until the great day came when the Germans could finally settle accounts with the British...
直到德国人最终能和英国人清算旧账的重大日子的来临

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。

mother

n. 母亲，妈妈，女修道院院长，大娘；vt. 像母亲般地照顾，养育，溺爱；

例句
I felt I had adjusted to the idea of being a mother very well...
我感到自己已经完全接受了当妈妈的想法。

relented

v. 怜悯，变温和，变宽厚( relent的过去式和过去分词 )，再借( relend的过去式和过去分词 )；

例句
I'm glad I relented in the end...
我很高兴自己的态度最终缓和了下来。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

gave

v. 给予，赠送( give的过去式 )，（与名词连用描述某一动作，意义与该名词相应的动词相同），供给，交给；

例句
He gave a detailed account of what happened on the fateful night...
他详细描述了那个灾难性夜晚所发生的事。

permission

n. 允许，批准，正式认可，认可；

例句
Grateful acknowledgment is made for permission to reprint.
为获准重印致以深切感谢。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

her

pron. (she的宾格)她，(she的所有格)她的，她，指某个国家，（一艘）船；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

youngest

n. 最小的儿子；adj. 年幼的( young的最高级 )，有朝气的，年轻人的，青年的；

例句
My youngest daughter was born by Caesarean.
我家小女儿是剖腹产的。

son

n. 儿子，孩子，男性后裔，圣子（耶稣基督）；

例句
In the name of the Father and of the Son and of the Holy Ghost, Amen.
以圣父、圣子和圣灵的名义，阿门。

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。

marry

vt.& vi. （使）结婚，娶，嫁，结合；vt. 为…主持婚

例句
Between ourselves, I know he wants to marry her.
我们私下说说，我知道他想娶她。