She spoke quietly to still the frightened child.

她轻声安慰受到惊吓的孩子。

《牛津词典》

"I was only going home," whispered the frightened child.

“我只是想回家。”受惊的海蒂低声说。

youdao

The frightened child was quieted by his mother.

妈妈正在安慰那个受惊吓的孩子。

youdao

Children might call a child who is easily frightened a fraidy cat or a scaredy cat.

VOA: special.2009.09.27

A frightened parent arrives with a child who swallowed a cleaning liquid.

VOA: special.2009.08.11

Other neuroblastoma families being treated at Great Ormond Street have said they are so frightened by the "lottery" they have started raising funds before the child is officially recommended to try the therapy, just in case.

BBC: Child cancer drug 'postcode lottery' revealed

Is Buck a sweet child, emotionally retarded and struggling to decode an adult world that has somehow frightened him into isolation?

WSJ: In 'X-Men,' Mutants Have Special Power -- But Plot Does Not

They needed to be reminded on the day where the world celebrates the birth of a child whom Rome and Herod try to assign to the role of 'surplus population, ' that the frightened men who rule the world in the name of scarcity should not be followed, but saved.

FORBES: Malthus And Scrooge