Definition: If something is secret, other people are not allowed to know about it. Level: B1
总统通过议会大楼下的秘密通道逃脱。
The President escaped through a ___secret passage underneath the parliament building.
我们试图在妈妈生日前对她保密这个惊喜派对。
We tried to keep the surprise party ___secret from Mum until her birthday.
那个秘密爱慕者就是我喜欢的那个家伙！
The ___secret admirer was the guy I liked!
