to run to try to catch sb / sth; to try to have a romantic or sexual relationship with sb
Oxford71% de las películas
to run to try to catch sb / sth
You run after them, I'll cut them off.
Oxford14% de las películas
to try to have a romantic or sexual relationship with sb
You told me, you wanted to run after that girl.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición