Be on (one's) case American British informal
To nag, annoy, or irritate someone all the times
Every time my leader sees Jenny, he is on her case to have that scientific research done quickly.
My dad was on my case about discarding all unnecessary objects in my bedroom.
My little brother is always being on my case whenever I play games.
If someone live under the cat's foot, they are under the dominion of another person, typically their wife.
To annoy someone very much
An informal way to say that it doesn't bother me any.
To make someone feel angry or upset
Used to complain that one does the same thing very often, usually in an annoying way
The verb "be" should be conjugated according to its tense.
State something in a very strong, clear and effective way
Congratulation on your speech! You really drive your message home!