You may not know just by hearing it. You may need to consider the setting or do some further detective work to determine the basis for the address as doctor. You could ask other people you trust, friends or co-workers. You could try performing an online search of the name to see if any professional information comes up. You could look for some place where the person is mentioned in print to see if there is a MD or a PhD after their name.
From what I hear, he is alive.
You can sometimes hear someone but not see them if they are behind a closed door, around a corner, or in a separate room. Sound can travel through barriers, allowing you to hear someone even if they are not in your line of sight.
The medical reference for someone who cannot hear or speak is \"deaf-mute\".
No, if you mute them they cannot hear you.
Someone who does that is a "sycophant."
you simply say ''I can't wait to hear from you''
Deaf and un-able to hear
Irony
It a radio which can both send and receive. You can hear someone else in them, and they can hear you.
The folllowing causes the sounds that you hear when someone plays a cello with a bow is Strings Vibrating
Hear Creations
I hear he sayz he would date a fan.