鑽心 [钻－]

Jyutping zyun1 sam1
Pinyin zuān xīn

Definitions (CC-CEDICT)
  1. to sneak in
  2. to infiltrate
  3. to be piercingly painful
  4. to be unbearable (of pain, itch etc)
Definitions (Wiktionary)
  1. adj, of pain
    unbearable
    • 疼得鑽心
      疼得钻心
      téng de zuān xīn
      to be in unbearable pain
Examples (Wiktionary)
  1. Mandarin
    疼得钻心
    疼得鑽心
    téng de zuān xīn
    • to be in unbearable pain