Translation of "Privately" in Spanish

Where can we talk privately?

¿Dónde podemos hablar en privado?

I want to talk privately with Tom.

Quiero hablar con Tom en privado.

I have already described the Philadelphia experiment privately

Ya he descrito el experimento de Filadelfia en privado.

He contrived a means of speaking to Nancy privately.

Él ideó una forma para hablar con Nancy en privado.

It's said that in the United States there are at least 216 million privately owned firearms.

Se dice que en Estados Unidos hay al menos 216 millones de armas de fuego de posesión privada.

- May I speak to you alone?
- Can I talk to you privately?
- Can I speak to you in private?
- May I talk to you in private?

¿Puedo hablar a solas contigo?

- I want to talk to Tom alone.
- I want to speak to Tom alone.
- I want to talk with Tom alone.
- I wish to speak to Tom in private.
- I want to talk to Tom privately.

Quiero hablar con Tom a solas.