1. She can not let anyone know, including the clandestine manufacture of men. 她不能让任何人知道，包括制造秘密的男人。
2. Nearly all the clandestine factories have minimal safety standards and fatal explosions are a regular occurrence. 几乎所有的黑工坊都不符合安全标准，而且极易发生毁灭性的爆炸。
3. Before the Revolutionary War, an underground organization, known as the Sons of Liberty, used to hold clandestine meetings Boston. 在革命战争前，一个名叫自由之子的地下组织过去经常在波士顿举行秘密会议。
英英解释
adj.
1. conducted with or marked by hidden aims or methods
