Tā jiǎng le yī gè sǒngrén-tīngwén de gùshi, bǎ dàjiā dōu xià dào le.
He told a shocking story that frightened everyone.
Tips
usage
耸人听闻 often has a negative connotation - implying deliberate exaggeration for shock value rather than genuinely startling truth. It is frequently used to criticize tabloid or clickbait journalism.