撞喪鐘

Simplified: 撞丧钟

zhuàngsāngzhōng ㄓㄨㄤˋ ㄙㄤ ㄓㄨㄥ

    • to herald the end of something
    • to signal its doom

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
strike the funeral bell
Meaning
A variant of 敲丧钟: to herald the end of something, signalling its doom.

Sources