拼音:ch éng w ē i à sh í
解释:趁人(落井)危难时,往下扔石头。比喻乘人之危加以打击和陷害。
单字解释: 乘 危 下 石
Throw stones down when people (fall into the well) are in danger. It refers to taking advantage of people's danger to attack and frame.
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