He had to have both legs amputated.是什么意思？

He had to have both legs amputated.

他不得不锯掉双腿。

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。

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。

have

aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

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

both

adj. 二者，两者都；pron. 二者；adv. 二者，二者都；conj. 不仅…而且…，…和…都；

例句
The gym can be used by both able-bodied and disabled people.
这家健身房健全和残障人士都可使用。

legs

n. 木头支架，腿( leg的名词复数 )，（与同一对手进行的比赛中的）一场，裤腿，腿肉；

例句
...her long legs which she displayed all anyhow getting in and out of her car.
她上下车时不经意露出的长腿

amputated

v. （用外科手术）截（肢等）( amputate的过去式和过去分词 )，切断，砍掉，删除；

例句
To save his life, doctors amputated his legs...
为了挽救他的生命，医生们截掉了他的双腿。