
Have it in for someone
Be mad at someone / Be sore at someone / Be getting up on someone / Be down on someone / Have it out for someone / Pick on someone / Hold a grudge against someone / Be dead set against someone

Avercela con qualcuno 
Be mad at someone / Be sore at someone / Be getting up on someone / Be down on someone / Have it out for someone / Pick on someone / Hold a grudge against someone / Be dead set against someone

Avercela con qualcuno 
Meanings
To have bitter feelings against someone; to be angry or critical with someone
Examples
I'd like to be her friend, but for some reason Diana has it in for me and we can't get along
Vorrei esserle amica, ma per qualche ragione Diana ce l'ha con me e non riusciamo ad andare d'accordo
I can't believe you are still sore about that old business
Non posso credere che tu ce l'abbia ancora con me per quella vecchia storia
Why are you getting up on me? What did I do?
Perché ce l'avete tutti con me? Che cosa vi ho fatto?
Everybody in the office is down on Charly because he falsely accused Susan of pilferage and she got fired
Tutti in ufficio ce l'hanno con Carlo dopo che Susanna è stata licenziata perché lui l'aveva falsamente accusata di furtarelli
He's sure that the new director has it in for him because he has been assigned only the most difficult and awful jobs
È convinto che il nuovo direttore ce l'abbia con lui perché gli vengono assegnati solo i compiti più difficili e brutti