Watch the stroke order, then trace it yourself.

A mound (阝) at a corner (禺) — a secluded nook or remote area hidden from view.

a corner, a small area
facing the corner (feeling left out)
infer other cases from one instance
He sat alone facing the corner, seemingly unwilling to join the group discussion.
This idiom story illustrates the importance of inferring other cases from one instance.
This is just one small part of the whole incident; the truth is more complex.
Explore characters by relationship
Characters pronounced "yu".
Characters with radical "阝".