不透露用英语怎么说？

不透露

例句

• The donor dads were shadowy figures, guaranteed anonymity by the clinics. 捐精者都隐姓埋名.诊所也保证不透露他们的姓名.
• Algerian workers lack skills, a ZIEC employee said on condition of anonymity. 中鼎国际一位要求不透露姓名的员工称,阿尔及利亚工人缺乏技术.
• It is normal practice not to reveal details of a patient's condition... 不透露患者病情的细节是惯常的做法。
• You can remain anonymous if you wish... 你愿意的话可以不透露姓名。