the.com/intermediate
The vast middle where you're too good to quit but not good enough to brag.
means Positioned or skilled between basic and advanced — neither beginner nor expert, but somewhere in the capable middle.
from From Latin intermedius, joining inter (between) and medius (middle) — literally being in the middle, between two things.
Skill plateauWhere most learners stall the longest.
ChemistryA short-lived compound between start and product.
Ski slopesMarked blue here, black for experts.