Blow the whistle on揭发，告发。英文释义为：If you blow the whistle on someone, or on something secret or illegal, you tell another person, especially a person in authority, what is happening.也可以用whistle-blow进行替换表达。

参考例句：The majority of staff council representatives interviewed informed the Inspector that the policy was in place but was either unknown to staff or staff were hesitant to whistle-blow due to the question of confidentiality in the investigation processes.

接受访谈的职工代表会议的代表大多数对检查干事说，政策是有，但是，员工不是没听说，就是由于调查过程中的保密问题而犹豫不决，不敢举报。

Companies should protect employees who blow the whistle on dishonest workmates and work practices.公司应该保护那些检举不诚实工友和工作行为的员工。如He was dismissed when he tried to blow the whistle on the safety problems of the factory.当他试图揭发工厂安全问题的时候，他被解雇了。