house of cards
noun /ˌhaʊs əv ˈkɑːdz/
/ˌhaʊs əv ˈkɑːrdz/
[singular]- a plan, an organization, etc. that is so badly arranged that it could easily fail
- The enormous national debt amassed in the last eight years makes all this apparent prosperity nothing but a house of cards.
- a structure built out of playing cards