Negotiations seemed to have reached an impasse.是什么意思？

Negotiations seemed to have reached an impasse.

谈判似乎已经陷入僵局。

negotiations

n. 协商( negotiation的名词复数 )，谈判，完成（难事），通过；

例句
...the negotiations which have been dragging along interminably...
一直在无休止拖延的谈判

seemed

v. 好像，仿佛( seem的过去式和过去分词 )；

例句
Steve seemed to acquiesce in the decision...
史蒂夫好像默认了这个决定。

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。

have

aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

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

reached

v. 到达( reach的过去式和过去分词 )，联络，伸出手臂，延伸；

例句
When the barge reached the shrine, acolytes removed the pall.
当驳船抵达圣地时，辅祭除去了柩衣。

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；

例句
He started eating an apple...
他开始吃苹果。

impasse

n. 绝境，僵局，死路，死胡

例句
The company says it has reached an impasse in negotiations with the union.
公司称与工会的谈判已陷入僵局。