- 奥秘
- profound mystery
- 便秘
- constipation
- 诡秘
- surreptitious
- 诡秘
- mysterious
- 秘方
- secret recipe
- 祖传秘方
- secret family recipe
- 秘诀
- recipe
- 秘诀
- secret
- 秘诀
- secret formula
- 秘诀
- unique way to success
- 成功的
- formula for success
- 成功的
- key to success
- 秘密
- secret
- 秘密
- confidential
- 秘密活动
- secret activities
- 秘密条约
- secret treaty
- 秘密
- secret
- 军事秘密
- military secret
- 秘书
- secretary
- 秘书处
- secretariat
- 秘书情人
- office wife
- 私人秘书
- private secretary
- 秘书长
- secretary general
- 神秘
- mysterious
- 神秘
- mystical
- 神秘
- enigmatical
- 隐秘
- hidden
- 隐秘
- concealed
- 隐秘
- secret
- 暴露某人的隐秘
- expose [or disclose] sb's secret