none of them
I don't want any of them.
I don't like any of them.
Quiero enseñar muchos idiomas, pero ni puedo hablar bien ninguno de ellos.
I want to teach many languages, but I can’t even speak any of them well.
None of them are alive.
No podemos usar ninguno de ellos.
We can't use any of them.
Ha escrito diez libros, pero no ha publicado ninguno de ellos.
He has written ten books, but he hasn't published any of them.
Ninguno de ellos conoce el francés.
None of them know French.