long stretch; long haul; marathon; time-consuming work
Refers to a task, event, or period that requires sustained effort over a long time. Often used for meetings, negotiations, projects, or journeys.
Today's meeting looks like it will be a long haul.
This project is a marathon, so let's proceed systematically.
long scene; long act
Theatrical term for a long scene or act in a play. Less common in everyday speech.
The second act of this play is a long scene and tough on the actors.