两国军队在边境形成了僵持局面，谁都不愿意先撤退。

The armies reached a ___stand-off at the border, with neither side willing to retreat first.

两国军队在边境陷入对峙，谁也不愿先撤退。

The armies of both countries were locked in a ___stand-off at the border, neither willing to retreat first.