Others were wounded, agonizing for hours in silence so as to not betray their mission by revealing their presence.其他人则受了伤，在疼痛中默默忍受数小时，为的是不暴露自己，不泄露所执行的任务。She never let on about her boyfriend's criminal past.她从不泄露男朋友过去犯罪的事。It is not our policy to reveal our clients’ names.我们的原则是不泄露顾客的姓名。