house of cards

situation or structure which is unstable or in constant danger of collapse; structure which is made by balancing playing cards one on top of another

Noun
1. a speculative scheme that depends on unstable factors that the planner cannot control; "his proposal was nothing but a house of cards"; "a real estate bubble"
(synonym) bubble
(hypernym) scheme, strategy
2. an unstable construction with playing cards; "he built three levels of his cardcastle before it collapsed"
(synonym) cardhouse, card-house, cardcastle
(hypernym) structure, construction

something badly put together and easily knocked down, a poorly founded plan/action The peace agreement between the two countries was like a house of cards and fell apart as soon as a minor problem occurred.

Synonyms and related words:
breakers ahead, bubble, cambric tea, cardhouse, cause for alarm, china, cobweb, crisis, danger, dangerous ground, dishwater, eggshell, emergency, endangerment, gaping chasm, gathering clouds, glass, glass house, gossamer, gruel, hair, hazard, ice, imperilment, jeopardy, matchwood, menace, milk and water, old paper, parchment, pass, peril, piecrust, pinch, plight, predicament, quicksand, reed, risk, rocks ahead, rope of sand, sand castle, storm clouds, strait, thin ice, thread, threat, water
  

CASTELLO DI CARTE