delicate and complicated.

易受摧殘且複雜的。

Last year, the Obama administration and the Iranian government negotiated a historic deal,

去年，歐巴馬政府與伊朗政府談判達成了具歷史性的協議，

in which Iran agreed to restrain its nuclear program in return for easing the economic sanctions.

其包含伊朗同意收斂核武計劃，以換取經濟制裁的緩解。

That deal is meant to go into effect later this week. But there are hardliners in both the U.S. and Iran who opposed the deal,

這協議原本是要在這週生效。但有些美國和伊朗的強硬派反對此協議，

and the two sides' militaries operating close proximity to each other in the Persian Gulf, which creates the risk of a clash.

而且雙方軍隊位於波斯灣的工作處十分鄰近，因此有發生衝突的可能性。

Just ______ taking place, two U.S. Navy vessels were taken at the custody by the Iranians after a ____ ran into Iranian waters before being swiftly released.

*

What is the broader geopolitical context?

更廣的政治地緣背景是什麼呢？

There's a state of war and disorder all over the Middle East, which makes maintaining the improvement in U.S.-Iran relations very difficult.

戰爭和混亂的情形遍布中東，這使得美伊關係很難有改善的空間。

Saudi Arabia, a key American ally, has poisoned its relations with Iran,

美國重要的盟友，沙烏地阿拉伯與伊朗的關係已鬧僵，

and the Iranians are also supporting the Assad regime in Syria and his belied Lebanon who the Americans are bitterly oppose to.

而伊朗人也正支持在敘利亞的阿薩德政權和美國人強烈反對的黎巴嫩*。

On the other hand, Iran and the U.S. are in a tacit alliance in Iraq, as they both fight to dislodge the Jihadists of Islamic State.

而另一方面，伊朗和美國在伊拉克的問題上有個心照不宣的同盟，因為他們都致力於驅逐伊斯蘭國家的聖戰者。

So is the Iranian nuclear deal secure ?

所以伊朗的核武協議是否安全呢？

Not necessarily, It's clear that both president Obama in the U.S. and the president Rouhani in Iran are committed to the deal.

不一定，很明顯的是美國的歐巴馬總統和伊朗的總統魯哈尼致力於達成協議。

But they're not fully in control of the political process in their own countries or revenge on the ground in the conflict with the Middle East.

只是他們還不能夠完全控制掌握自己國內的政治進程或者為中東所發生的衝突進行報復。

Over the next year, an accident could easily happen to derail the deal.

接下來的一年，協議履行之外的事是很有可能發生的。