| house of cards | (n) a speculative scheme that depends on unstable factors that the planner cannot control, Syn. bubble, Example: his proposal was nothing but a house of cards; a real estate bubble |
| house of cards | (n) an unstable construction with playing cards, Syn. cardhouse, cardcastle, card-house, Example: he built three levels of his cardcastle before it collapsed |
| 砂上の楼閣 | [さじょうのろうかく, sajounoroukaku] (exp, n) house built on sand; house of cards [Add to Longdo] |