What does “be after someone” mean?
"Be after someone" means to look for someone. When someone is after you, it means that someone looking for you. In this case, it is used when you are being chased by someone. "After something" basically means to look for a particular thing. Here are some examples of "be after someone/something": Ex: That guy just robbed a bank and the police are after him. Ex: I'm after a particular sauce that goes well with vegetarian dish.