To emphasize one's achievements and downplay or conceal one's mistakes; to boast about merits while hiding faults.
在项目总结会议上，他总是习惯性地列功覆过，只谈成功经验，避谈遇到的困难。
During project review meetings, he habitually listed his achievements and covered up his mistakes, only discussing successful experiences and avoiding the difficulties encountered.
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