"concealed (or hidden) damage"
"in stormy weather the stars are out of sight"
"a hidden room or place of concealment such as a priest hole"
"a secret passage"
"the secret compartment in the desk"
"a hidden cave"
"an obscure retreat"
He had heard in her bantering voice the hidden whine of despair.
出自： I. Murdoch
The sound of..tiny hidden insects harmonized with the landscape.
出自： B. Emecheta