"he had a smudge on his cheek"
There was a green smudge on her pinafore.
出自： V. Woolf
The smudge which Tess had set upon that nobility.
Eyes sore from smoke..and faces smudged with charcoal.
出自： A. Ransome
This was a boy..whose school books would be smudged and blotted.
出自： P. Carey