be on borrowed time是什么意思

双语例句

(1)But one of its provisions could be on borrowed time, judging by the subtext of a Supreme Court ruling this week.

但是，这个星期的高院的一项判决意味着，该法案其中一项条款可能只是在被终结前拖延时间。

释义

used to convey that someone has continued to survive against expectations, with the implication that they will not do so for much longer

生命意外延长的时间；比预期稍长的有限时间。