Know the drill.
Know the drill.
Know the drill" is used when someone is already familiar with the procedures or routine tasks. It's like when you go to your favorite coffee shop and the barista starts preparing your usual order without you having to say a word. This phrase can also apply in a work setting, where seasoned employees might say this to new ones to indicate that the process is standard and known by the team.
You've worked here long enough to know the drill.
Due to experience, the speaker assumes the person knows the usual procedures.
New employees quickly learn to know the drill around here.
New employees quickly learn the standard procedures here.
As a veteran of this company, he certainly knows the drill and how things operate.
As an experienced employee, he is familiar with the usual procedures and operations.