It would not prove worthwhile to instigate a nuclear attack.是什么意思？

It would not prove worthwhile to instigate a nuclear attack.

挑起核攻击最终是不值得的.

it

pron. 它，他，正好是所需的，事实[情况]；n. <美俚>傻瓜，笨蛋，<俚>绝妙的人，理想的东西，登峰造极；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

would

aux. 将，将要，愿意，会，打算，大概；v. (will 的过去式，用于转述)将；

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

not

adv. 不，[用以表示否定、否认、拒绝、禁止等]不是，几乎不，未必，没有[用于否定后面的词或短语]；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

prove

vt. 证明，证实，[法]验证，检定，显示；vi. 显示出，证明是；

例句
I have to prove myself as a respectable, balanced, person.
我必须证明自己是个正派、稳重的人。

worthwhile

adj. 值得做的，值得花时间的，有价值的，合算；

例句
Their sobering conversation brought home to everyone present the serious and worthwhile work the Red Cross does.
他们发人深省的对话使在座的每个人都清楚地认识到红十字会所从事的严肃而有价值的工作。

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。

instigate

vt. 教唆，煽动，激起；

例句
It would not prove worthwhile to instigate a nuclear attack.
挑起核攻击最终是不值得的.

nuclear

adj. 原子核的，原子能的，[细胞]细胞核的；

例句
...members of the advisory committee on the safety of nuclear installations...
核设施安全顾问委员会的成员

attack

vt.& vi. 攻击，进攻，抨击；n. 攻击，抨击，（队员等的）进攻，（疾病）侵袭；vt. 抨击，非难，侵袭，损害；

例句
The police say they suspect the attack was carried out by animal rights activists.
警方说他们怀疑袭击是由动物权益保护的积极分子们发动的。