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Jyutping joeng4 ngoi6 on1 noi6
Pinyin ráng wài ān nèi

Definitions (Wiktionary)
  1. phrase, idiomatic
    to repel foreign aggression while pacifying the interior

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Jyutping joeng4 ngoi6 on1 noi6
Pinyin rǎng wài ān nèi

Definitions (CC-CEDICT)
  1. to resist foreign aggression and pacify the interior of the country (idiom)