ぶち壊こわし

noun

destruction; demolition; smashing apart

Physical act of breaking something into pieces, often violently or forcefully. Can be used for objects, buildings, etc.

• 古ふるい家いえのぶち壊こわしが始はじまった。

  The demolition of the old house has begun.

• 彼かれは怒おこって机つくえをぶち壊こわしにした。

  He got angry and smashed the desk to pieces.

noun

spoiling; ruining

Abstract sense: ruining a plan, mood, relationship, or situation. Often used with 気分, 計画, 話, etc.

• 雨あめでピクニックがぶち壊こわしになった。

  The rain ruined the picnic.

• 彼かれの一ひと言ことで楽たのしい雰ふん囲い気きがぶち壊こわしだ。

  His one remark spoiled the pleasant atmosphere.