Learn what "you need to keep an eye on him" means, when people say it, and how to use it naturally in English.

It means the speaker wants someone to monitor a person because they may cause trouble or need attention.
From An Affair With My Boss, Episode 6
The speaker warns someone to watch another person carefully.
Use this when asking someone to pay attention to another person's behavior. It can imply suspicion or concern.
Scenes unlock real expressions as you watch
Tap to translate or use dual subtitles
Practice immediately with AI Characters
Reinforce with quick quizzes and repetition
Build speaking confidence with drama-based context, instant explanations, and AI-powered practice tailored to real conversations.
Start learning