打破僵局的努力没有成功。

Efforts to break the deadlock were unsuccessful.

这个问题导致了谈判的僵局。

The issue led to a deadlock in the negotiations.

他们试图打破僵局，但没有成功。

They tried to break the deadlock, but failed.

双方的谈判陷入了僵局。

The negotiations between the two sides reached a deadlock.

双方都不愿让步，导致了僵局。

Neither side was willing to compromise, resulting in a deadlock.