他身经百战.用英语怎么说？

他身经百战.

He came through countless fights.

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。

came

v. 来( come的过去式 )，到达，达到（认识、理解或相信的程度），出生；

例句
She came in for a coffee, and told me about her friend Shona...
她进来喝了杯咖啡，并向我谈起了她的朋友肖纳。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

countless

adj. 无数的，多得数不清的，恒河沙数，指不胜屈，数不胜数；

例句
Paul had arrested countless men like this one before and was expecting a clean, quick job.
此前，保罗逮捕过无数个这样的家伙，他估计这次能手到擒来。

Fights

v. 战斗( fight的第三人称单数 )，斗争，打架，吵架；

例句
They believe that participating in fights toughens boys and shows them how to be men.
他们认为参与打架会使男孩子变得坚强，教会他们怎样成为男人。