un teléfono celular ...
The way that you would say what is the best telephone number to contact you at in Spanish would be cad é an uimhir theileafóin is fearr chun teagmháil a dhéanamh leat ag. If you just wanted to ask what is your telephone number you would say cad é d'uimhir ghutháin.
El telefono
if u say i am talking on the phone= je parle au telephone parler au telephone avec quelqu'un= to talk with somebody on the phone
For instance if your number was: 123-4567 it would look like 1-23-45-67 in spanish.
teléfono - Spanish
Telefono is Spanish for Telephone.
Depending on proximity to- say a home telephone or pay phone- I would say it would be morally incumbent upon you to do so.
su teléfono OR tu teléfono
número de teléfono
hello on the telephone
It's fine with me. It's a free country, you can say whatever you like."She is talking on the telephone" is a perfectly grammatical sentence, if that is what you were trying to ask. Most native English speakers would be more likely to say "She is talking on the phone" or even just the idiomatic "She's on the phone," though.
Telephone = 电话 (pronounced : dian hua) If you are referring to a mobile phone, to be specific, it would be 手机 (pronounced : shou ji)