① refers to the river embankment was broken. ② refers to certain exceptions or to relax restrictions on such care, to the unprecedented, I can not open the hole in the.
Translated by Google
kāi kǒu zi
River embankment was broken
Translated by Google
No. 3
Metaphor for something or some action to facilitate (more with derogatory)
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No. 4
Banks of the river that was broken. "Children Heroes" second four back: "is that the local tax relief on the Yellow River Kaikou Zi, Deng Jiugong him 200 silver to the proposed classification of a product Dingdai eight."
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No. 5
Liberalization of restrictions that in some respects. "People's Daily" 1988.4.1: "Kai Kouzai above, the following sub-invoice so many things, above the first quarter of this year to open four hole in the ... ... cause the fiscal deficit increased year by year."
Translated by Google
No. 6
开口子 kāi kǒuzi
[dyke breaks]∶堤岸被河水冲破
[provide with facilities]∶比喻为某事或某种行动提供方便(多含贬义)