grave misconduct

• 严重不当行为

grave misconduct的用法和样例：

例句

1. Misconduct is doing something clearly against the rules.
   不当行为即违反了相关规定。
2. In contrast with one previous report, we found no evidence of misconduct.
   与前一个报告相比，我们没有发现任何不当行为的证据。