to grow old, to age
No, a veces puede ser porque tememos envejecer.
No, sometimes it can be because we fear getting old.
— Perfectos desconocidos (2016)
Al envejecer, probablemente sea peor.
As you get older, it will probably get worse.
— Jean de Florette (1986)
Porque vas a envejecer, porque vas a morir.
Because you are going to grow old, because you are going to die.
— Demon Slayer: Mugen Train La película (2020)
Tal vez está tan obsesionado con envejecer, que es lo único que lo tranquiliza.
Maybe he’s so obsessed with aging that it’s the only thing that calms him down.
— Amélie (2001)
De hecho, yo no iba a envejecer muy rápido, aunque sí terminaría de crecer.
In fact, I wasn’t going to age very quickly, although I would eventually finish growing.