狂轟濫炸 [－轰滥－]

Jyutping kwong4 gwang1 laam6 zaa3
Pinyin kuáng hōng làn zhà

Definitions (CC-CEDICT)
  1. to bomb indiscriminately
Definitions (Wiktionary)
  1. phrase, idiomatic
    wanton and indiscriminate bombing