開口子

kāikǒuzi

(of a dyke) break; burst, (of the skin) chap

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kai1 kou3 zi5

a dike breaks, fig. to provide facilities (for evil deeds), to open the floodgates

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開口子|开口子 [kāi kǒu zi] ► a dike breaks ► fig. to provide facilities (for evil deeds) ► to open the floodgates