to sneak in; to infiltrate; to be piercingly painful; to be unbearable (of pain, itch etc)
trad. 鑽心
Also written 鑽心【zuān xīn】
to sneak in; to infiltrate; to be piercingly painful; to be unbearable (of pain, itch etc)
trad. 鑽心
Also written 鑽心【zuān xīn】