Meaning of clean sheet in English:
clean sheet
noun
1Soccer
A match in which a team or goalkeeper prevents the opposing side from scoring.‘Chelsea have failed to keep a clean sheet in four consecutive league games’- ‘to come out of the game with a clean sheet is a confidence booster’
- ‘Connors earned himself man of the match status by keeping a clean sheet’
2US An absence of existing restraints or commitments.
- ‘we do not start with a clean sheet every morning, we build on the work that has gone before’
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