be on the telephone phone イディオム
hold the phone
wait a minute, let me think about it """Dad, I'm going to quit school."" ""Hold the phone! Let's talk."""
phone-in
a radio/TV show that invites phone calls The topic for the phone-in show was Animal Rights.
Anglophone
a Canadian whose first language is English; also refers to all Canadians who do not speak French
Megaphone diplomacy
If negotiations between countries or parties are held through press releases and announcements, this is megaphone diplomacy, aiming to force the other party into adopting a desired position.