Undercover or undercover ( one word ) means disguised, or on a secret mission, as a law enforcement official pretending to be a gang member --
He was undercover for months; you wouldn't have recognized him.
They're not sure if he's a drug dealer or an undercover agent.
Under cover or under cover ( two words ) means beneath ( under) something that conceals or protects ( cover ), literally or figuratively --
They moved under cover of darkness, slowly and quietly.
He writes under cover of a pen name.
Now that you know that, you can say--
"They didn't see the undercover detective, coming closer under cover of night."
No comments:
Post a Comment