Определение и Значение "[go] through the motions"

What is the origin of the idiom "go through the motions" and when to use it?

The origin of the idiom "go through the motions" is believed to stem from theatrical or performance contexts. In theater, actors are required to perform specific actions and movements as part of their roles. Sometimes, an actor may not be fully engaged or emotionally connected to the performance, yet they still go through the required motions on stage. It can be applied to work environments, where employees may carry out their duties mechanically without feeling inspired or motivated. It is also used in personal relationships, indicating a lack of emotional connection or effort in interactions.