cautious, careful
El niño no quiso acercarse al extraño porque le habían enseñado a ser cauteloso con desconocidos.
The boy did not want to approach the stranger because he had been taught to be cautious with strangers.
No, era cauteloso y meticuloso, trabajaba despacio.
No, he was cautious and meticulous, he worked slowly.
— Anatomía de una Caída (2023)
No puedes ser demasiado cauteloso al elegir a los amigos.
You can't be too cautious when choosing friends.