onto [ˈɒntʊ]
preposition
2 (on track of)
to be onto sth haber encontrado algo; seguir una pista interesante; he knows he's onto a good thing sabe que ha encontrado algo que vale la pena; the police are onto the villain la policía tiene una pista que le conducirá al criminal; we're onto them les conocemos el juego; they were onto him at once le calaron en seguida; le identificaron en el acto
