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Jyutping so4 baak6 tim4
Pinyin shǎ bái tián

Definitions (Wiktionary)
  1. adj, neologism, of a storyline, slang
    nicely smooth and sweet, although a bit clichéd
  2. adj, especially, neologism, of a girl, slang
    silly, innocent and sweet; innocent and cute

傻白甜 [---]

Jyutping
Pinyin shǎ bái tián

Definitions (CC-CEDICT)
  1. (Internet slang) sweet, naive young woman