secret

英 ['siːkrɪt] 美['sikrɪt]

be among the small number of people who know something

知道内情

without others knowing

暗地里，秘密地

make something perfectly clear

不隐瞒某事

1. The word "secretary" comes from the same Latin root as the word "secret".: 单词secretary和secret有同样的拉丁词根。

2. It's an open secret that the security service bugged telephones.: 安全部门窃听电话是人人皆知的秘密。

3. The nature of the polymer is currently a trade secret.: 这一聚合物的性质目前是个商业机密。

4. He's accused of misusing $17.5 million from a secret government slush fund.: 他被指控滥用秘密的政府行贿基金，金额达1,750万美元。

5. The exact locations are being kept secret for reasons of security.: 确切地点因为安全原因要保密。