House of cards
n. 不切实际无法实现的计划，筹划不周难以成功的计划
📖 牛津释义
house of cards
1 tower-like structure built by balancing playing-cards against and on top of each other 搭成屋形的纸牌.
2 (fig 比喻) scheme, etc that is likely to collapse 不大可行的计画等.
🧩 词语组成解析
house
[haʊs]
n. 房屋;全家人;（从事某种生意的）公司;（英国）下议院;
v. 给…提供住房;收藏;安置;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. (playing cards)(正式)一副纸牌, 一副扑克牌, 纸牌游戏, 打扑克
🗣️ 情景例句
We have another appointment on the same day.
我们那天有另外一个约会。
Does the back door have a lock on it?
后门上有锁吗？
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。