1. bad at
I'm bad at cooking.
Do you enjoy studying English? Yes, but I’m bad at grammar so I don’t do very well in exams.
I'm really bad at sports.
I was bad at tennis. bad at doing something I’m really bad at remembering people’s names.
Anglais mot "być słabym w czymś"(bad at) se produit dans des ensembles:
dependent prepositions