钻心

zuānxīn

(of pain, itching, etc.) unbearable, sneak in; infiltrate

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zuan1 xin1

to sneak in, to infiltrate, to be piercingly painful, to be unbearable (of pain, itch etc)

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钻心

zuàn xīn

core-bit; web

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鑽心|钻心 [zuān xīn] ► to sneak in ► to infiltrate ► to be piercingly painful ► to be unbearable (of pain, itch etc)