in action
01
(of a person) doing something one is trained for or is very good at
Idiom
例子
Despite being exhausted from the long hours, the medical team stayed in action and worked tirelessly to save the lives of those injured in the accident.
02
(of a thing) serving its purpose or operating in a way that it is designed or programmed
Idiom例子
The new engine was in action during the race and provided the driver with the power they needed to win.
