a rough, not detailed drawing
a short description in words
draw sketches; make a sketch of
"he made several studies before starting to paint"
"sketch the building"
"sketch the outline of the book"
"outline his ideas"
The sketch was..a miniature in coloured inks.
出自： J. Hilton
A quick pen sketch of this portrait.
出自： J. Rosenberg
He did a pencil sketch first, then painted.
出自： H. Norman
I don't quite understand; can you sketch in a few details of what you're suggesting?
The teacher sketched out the main point of the article.