34 of his wins were KO's.是什么意思？

34 of his wins were KO's.

他34次击倒对手获胜。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

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

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。

wins

v. （在…中）获胜，赢，战胜（对手）( win的第三人称单数 )，（通过努力等）赢得，说服，达到（目的、要求等）；

例句
England are brimming with confidence after two straight wins in the tournament.
英格兰队在锦标赛中连赢两场后信心大增。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。