分享一个非常有用且地道的表达——running on empty, 这个短语的含义不是指“空跑一趟”，其正确的含义是：

running on empty 勉强支撑

（虽精疲力竭仍打起精神继续工作并保持活跃）

I get the impression he's been running on empty for months now. A holiday will do him good.

我感觉他如今有好几个月都是在勉强支撑。放个假对他会有好处。

I've been painting the house for four hours every night after work, and I am seriously running on empty at this point.

我每晚下班后一直刷四个小时房子，我此时此刻已经勉强支撑了。

We were running on empty by the time our team made it to the championship round.

到我们进入冠军赛的时候，我们的队伍已经在勉强支撑了。

By the end of the two week camping trip, everyone was running on empty.

到两周的营地旅行结束的时候，每个人已经在勉强支撑了。

If you keep running on empty you’re going to have a serious health crisis. The first step is to get more sleep.

如果你一直勉强支撑，你将会有严重的健康危机。第一步就是要更多睡觉。

出处：头条号 @饼哥英语口语