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看见人要掉进陷井里,不伸手救他,反而推他下去,又扔下石头。比喻乘人有危难时加以陷害。
[hit a person when he’s down;avail oneself of the time when sb.is in difficulty to make an attack] 见人掉入陷井,不去求援,反而扔下石头加害。比喻乘人之危予以陷害