[train, visiteur, courrier] to arrive
Est-ce qu'elle est arrivée? Has she arrived yet?
arriver à Paris to get to Paris, to arrive in Paris
Il arrive à Paris à 8 h. He gets to Paris at 8., He arrives in Paris at 8.
J'arrive à l'école à huit heures. I get to school at 8 o'clock., I arrive at school at 8 o'clock.
arriver à destination to arrive at one's destination
j'arrive! I'm coming!, coming!
en arriver à faire to end up doing, to get to the point of doing