Level 5 · word 7,147 of 20,000
covert
/ˈkoʊvərt/
American
- adj. 隐蔽的, 秘密的
- Definition
- adj. done secretly and not openly
- Example
- The agency ran a covert operation that nobody knew about.
- 该机构进行了一次秘密行动，没有人知情。