An echo. It is a sound that reflects off surfaces and travels back to the listener, but it cannot be seen.
Scout says she had never seen or heard of a turning movement at the trial before.
wind
wind
Scout says that she has never seen or heard her father acting strangely. She is glad when he returns to his normal behavior.
She is heard but never seen: Heard in (How to Spank A Star; season 3)
This simply means that you have heard or seen something but you do as if you'av never seen.
air
Sarah. She is never seen or heard (I think).
Ive never seen or heard of anyone who OWNS a cloud. Sorry.
The meaning of mysterious is: SOMETHING OR SOMEONE WE HAVE NEVER SEEN OR HEARD ABOUT IN OUR LIFE.
Never heard of them so definitely not.
I HEARD THAT IT CAN HAPPEN TO YOU BUT I VE NEVER SEEN IT HAPPEN