甚嚣尘上

甚囂塵上
shènxiāochénshàng
  1. clamor raises the dust (idiom); a tremendous clamor
  2. to raise a tremendous stink

CEDICT

to be on everyone's lips

Wiktionary

喧譁嘈杂，尘沙飞扬。语本《左传．成公十六年》：「楚子登巢车以望晋军，……曰：将发命也，甚嚣且尘上矣。」今多用为传闻四起，议论纷纷的意思。如：「近日官商勾结的消息甚嚣尘上。」亦可指极为猖狂、嚣张之意。如：「当前社会关说之风甚嚣尘上。」

重編國語辭典

喧譁嘈杂，尘沙飞扬。今多用为传闻四起，议论纷纷的意思。

維基詞典

Entry Composition

1 甚 shèn
  1. excessive; undue
  2. to exceed; to be more than
  3. very; extremely
  4. (dialect) what; whatever (Taiwan pr. shén)
2 嚣 xiāo clamor
3 尘 chén
  1. dust
  2. dirt
  3. earth
4 上 shàng
  1. (bound form) up; upper; above; previous
  2. first (of multiple parts)
  3. to climb; to get onto; to go up
  4. to attend (class or university)
  5. (directional complement) up
  6. (noun suffix) on; above