近义词：
攻其不备、趁火打劫、有机可乘、乘虚而入、浑水摸鱼、有机可趁、雪上加霜、落井下石
| 攻其不备 | 见“ 攻其无备 ”。 |
| 趁火打劫 | 趁火打劫 chènhuǒdǎjié [try to profit from another’s misfortune;rob the owner while his house is on fire] 利用失火的混乱时机行劫,比喻趁人之危,从中取利 |
| 有机可乘 | 有机可乘 yǒujī-kěchéng [an opportunity to be taken advantage of] 有机会可趁,有空子可钻 闻之窃喜其有机可乘。——《聊斋志异》 |
| 乘虚而入 | |
| 浑水摸鱼 | 浑水摸鱼 húnshuǐ-mōyú [fish in troubled waters;try to make a calamity the means to personal profit] 比喻乘混乱的时机从中捞取不正当的利益 少数豪门,浑水摸鱼,越来越富,越花越有 |
| 有机可趁 | |
| 雪上加霜 | 雪上加霜 xuěshàng-jiāshuāng [one disaster after another;calamities come in succession as frost is added on top of snow] 再次遭难而受到更严重的伤害 |
| 落井下石 | 落井下石 luòjǐng-xiàshí [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 |
反义词：
成人之美、无隙可乘、无懈可击、趁火打劫、济困扶危
| 成人之美 | 成人之美 chéngrénzhīměi [help sb.to fulfil his wish;aid sb.in doing a good job] 成全别人的好事;帮助别人实现愿望 |
| 无隙可乘 | 无隙可乘 wúxì-kěchéng [no crack to get in by;no chink in sb.'s armour;no loophole to exploit;no weakness to take advantage of] 无懈可击;没有可钻的空子 |
| 无懈可击 | 无懈可击 wúxiè-kějī [watertight;unassailable;invulnerable] 没有可以被人攻击或挑剔的缝隙,形容非常严密 无懈可击的租约 |
| 趁火打劫 | 趁火打劫 chènhuǒdǎjié [try to profit from another’s misfortune;rob the owner while his house is on fire] 利用失火的混乱时机行劫,比喻趁人之危,从中取利 |
| 济困扶危 | 济困扶危 jìkùn-fúwēi [help those in distress and aid those in peril] 亦称“扶危济困”,指救济、扶助生活困难或境况危急的人 |
乘人之危词典解释 (详细解释)