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Jyutping ging1 gau2 bat1 sik1
Pinyin jīng jiǔ bù xī

Definitions (Wiktionary)
  1. phrase, idiomatic
    prolonged; constant; lasting
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #2180

經久不息 [经---]

Jyutping
Pinyin jīng jiǔ bù xī

Definitions (CC-CEDICT)
  1. prolonged (applause, cheering etc)