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Jyutping sei2 zung1
Pinyin sǐ zhōng

Definitions (粵典–words.hk)
  1. 名詞
    好忠​實​嘅​fans
    die-hard fan
Definitions (Wiktionary)
  1. adj, attributive
    die-hard

死忠 [--]

Jyutping
Pinyin sǐ zhōng

Definitions (CC-CEDICT)
  1. die-hard (fan etc)