"frightened voice" can be used in written English.
You could use it to describe someone who is speaking in a fearful manner or expressing fear through their voice. For example: "My mother's frightened voice echoed through the house."
"It's really dark," he said in a hollow, frightened voice.
The calls were always the same: a frightened voice, racked with humility and embarrassment, apologising profusely for "wasting" our time.
The young man paused, then added in a frightened voice, "I just want to say that for the first time in my life, I'm utterly, completely confused".
A frightened voice cries out, "Who's that?" Lucie opens the door, and discovers a low-ceilinged kitchen.
"People in Dhaka are now saying that Xulhaz made us gay," says the frightened voice across the line.
The tiny bubble in the carpenter's level of your brain leans way over to one side, and a small frightened voice deep inside you asks of your death, 'Now?
Mazie is small, but she is wiry and fearless, and she has a frightening voice.
After the guests have drunk a toast to the couple, the frightening voice of Butterfly's uncle, the Bonze, is heard, accusing Butterfly of committing an abomination.
During 22 years of bipolar disorder, I have frequently written myself through suicidal urges and experiences of frightening voices and visions.
That death comes, and he's restored to the throne in England, where he is promptly married to the Portuguese princess Catharine of Braganza (Shirley Henderson, the Scottish actress with the frightening helium voice, who played Moaning Myrtle in "Harry Potter and the Chamber of Secrets").
"Don't be frightened," said a voice in slurred Spanish.
