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Jyutping seon3 sam1 baau3 paang4
Pinyin xìn xīn bào péng

Definitions (CC-CANTO)
  1. extremely confident
Examples (Wiktionary)
  1. Mandarin
    信心爆棚
    信心爆棚
    xìn xīn bào péng
    • to be greatly confident