...a threat to the country's jealously guarded unity.是什么意思？

...a threat to the country's jealously guarded unity.

对该国珍惜维护的统一局面的威胁

threat

n. 威胁，恐吓，凶兆；

例句
The threat is likely to remain in abeyance until next year's meeting in Reykjavik.
这一威胁很可能会一直存在下去，直至明年的雷克雅未克会议。

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。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

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

jealously

adv. 妒忌地，猜疑地；

例句
...a threat to the country's jealously guarded unity.
对该国珍惜维护的统一局面的威胁

guarded

adj. 谨慎的，有保留的；v. 保护，控制( guard的过去式和过去分词 )；

例句
The boy gave him a guarded look...
那个男孩充满戒心地瞧了他一眼。

unity

n. 统一体，（艺术等）完整，（文学、戏剧）（情节、时间和地点的）统一性，团结一致；

例句
The Pope has sent a message appealing for unity in his homeland, against a background of divisions in the Solidarity movement...
团结运动中各派搞分裂，在此情况下教皇发出号召，呼吁祖国保持团结。