我被他驳倒了, 只得承认失败。用英语怎么说？

我被他驳倒了, 只得承认失败。

I was floored by his argument and had to admit defeat.

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

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

floored

adj. 以…为地面材料的；铺有…地板的；

例句
He was floored by the announcement...
这个通告使他不知所措。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

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。

argument

n. 争论，争吵，论据，[数]幅角，主题，情节；

例句
That argument apart, it is for the Germans themselves to work out how their forces should come together.
撇开那场纷争不谈，德国人自己也应该考虑一下如何将各种力量拧成一股绳。

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。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

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

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。

admit

vt.& vi. 许可进入，承认，供认；vt. 允许，确认；vi. 承认，允许；

例句
Officials admit the actual number of AIDS victims is much higher than statistics reflect.
官员们承认艾滋病患者的实际数量比统计所显示的数字要大得多。

defeat

vt. 击败，战胜，挫败，[法]宣告无效，作废；n. 战胜，失败，[法]废除；

例句
...the defeat of the Spanish Armada, 1588.
西班牙无敌舰队1588年的战败