behind the scenes

例句：

1. 1. The director was so focused on his work that he didn't notice the audience until they were already sitting in the frontrow.
   导演非常专注于他的工作，以至于他直到观众坐在前排他才注意到。
2. 2. The movie stars are all behind the scenes, working tirelessly to bring their characters to life.
   电影明星们都在幕后，辛勤工作，为将他们的角色栩栩如生地呈现给观众而努力。
3. 3. Many successful businesses operate behind the scenes, with little public attention given to theiroperations.
   许多成功的企业都在幕后运作，公众很少关注他们的运营。