忠心耿耿 [－－－－]

Jyutping zung1 sam1 gang2 gang2
Pinyin zhōng xīn gěng gěng

Definitions (CC-CEDICT)
  1. loyal and devoted (idiom); faithful and true
Definitions (粵典–words.hk)
  1. 形容詞
    見​忠心​；​形容​極為​忠​誠
    to be loyal and faithful
Definitions (Wiktionary)
  1. phrase, idiomatic
    loyal and devoted
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 日常用語：臺
    忠心耿耿
  2. 日常用語：陸
    鐵桿
Examples (粵典–words.hk)
  1. Cantonese
    你哋要忠心耿耿为国家效力，朕嘅江山先会永垂不朽。
    你哋要忠心耿耿為國家效力，朕嘅江山先會永垂不朽。
    nei5 dei6 jiu3 zung1 sam1 gang2 gang2 wai6 gwok3 gaa1 haau6 lik6, zam6 ge3 gong1 saan1 sin1 wui5 wing3 seoi4 bat1 naau2.
    • You must be dedicated to serving our country, so its sovereignty can perdure.