他们对他抢救无效.用英语怎么说？

他们对他抢救无效.

Their efforts to revive him were futile.

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

efforts

n. 努力( effort的名词复数 )，气力，努力的结果，努力（或艰难尝试）的成果；

例句
They talked modestly of their valiant efforts to keep the tanker afloat...
他们说起自己设法使油轮漂浮的英勇之举时非常谦虚。

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。

revive

vt. 使复活，使恢复，使振奋，复原，使再生，使重新流行，唤醒，唤起；vi. 复苏，恢复，振作，恢复，再生，重新流行，再生效力；

例句
This is likely to revive consumer spending and a whole raft of consumer industries.
这可能会带动消费性支出和一大批消费工业的复苏。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

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。

futile

adj. 无效的，无用的，没有出息的，琐碎的，无关紧要的，一场空；

例句
Like many in Russia, she blamed the country's failings on futile attempts to catch up with the West...
像俄罗斯很多人一样，她认为国家的错误就在于徒然地竭力追赶西方。