run themselves out

• vi. 跑得筋疲力尽

run themselves out的用法和样例：

例句

用作不及物动词 (vi.)

1. She's knocking herself out with all that work.
   她做的工作把她累得筋疲力尽。
2. He actually knocked himself out with excessive work.
   他实际上是由于工作过度而把自己累得筋疲力尽的。