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Jyutping caa4 sam1
Pinyin chá xīn

Definitions (Wiktionary)
  1. noun, Hakka, Min-Nan, Puxian-Min, Sixian, Southern
    tea leaf
    (syn.) 茶, 茶茗, 茶箬 unprocessed, 茶芽 processed, 茶葉, 蝦子 humorous, 茶箬, 茶葉兒, 茶心, 茶葉子, 葉子, 茶米