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Jyutping tung1 sam1
Pinyin tōng xīn

Definitions (CC-CANTO)
  1. hollow
Definitions (Wiktionary)
  1. adj
    hollow in the centre
  2. adj
    sensible; reasonable
Definitions (Kaifangcidian)
  1. 空心的
  2. 中空的
Examples (粵典–words.hk)
  1. Cantonese
    通心粉
    通心粉
    tung1 sam1 fan2
    • macaroni
  2. Cantonese
    火腿通心粉
    火腿通心粉
    fo2 teoi2 tung1 sam1 fan2
    • macaroni with ham
Examples (Wiktionary)
  1. Mandarin
    通心粉
    通心粉
    tōng xīn fěn
    • macaroni (lit. "pass-through heart pasta")