磨勘
mó​kān

to review exam papers

磨勘 mó​kān
to review exam papers
(historical) to review imperial examination papers to ensure they follow rules of phrasing and calligraphy; to check for errors or irregularities in official documents
to evaluate
(historical) to check or rate the performance and records of government officials
to study deeply
(literary) to study or investigate academic principles and theories with great care over a long period