钻心 Traditional 鑽心 zuān xīn 🔊 to sneak in + Review this word Meanings zuān xīn 鑽心 to sneak into infiltrateto be piercingly painfulto be unbearable (of pain, itch etc) Its characters 钻zuānto drillHSK 6心xīnheartHSK 4 Words with 钻心 钻心虫 zuān xīn chóng boring insect