紙牌做的房子, 不牢靠的計劃

reveal (one's) cards 成语

a full house (cards)

a pair plus three of a kind, e.g., 2 kings and 3 aces In our last game of poker, you dealt me a full house.

hold all the trump cards

have the best chance of winning, have full control It will be difficult to do well in the negotiations with him as he holds all the trump cards.

house of cards

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.

in the cards

to be expected, likely to happen, predictable I think that a new company structure is in the cards but I can

lay one's cards on the table

let someone know one's position openly, deal honestly He laid his cards on the table during the meeting to dispose of the excess inventory.

play my cards right

behave in the best way, do the right things If you play your cards right at the interview, you should get the job.

put one's cards on the table

let someone know one's position openly, deal honestly It looked as if the meeting was going to fail so we put our cards on the table to give it one last try.

stack the cards

arrange things (unfairly) for or against a person They are stacking the cards against him with their constant demands for more and more qualifications for the job.

lay down one's cards on the table

let sb． know your position and interest openly； act without trickery or secrets公开表明态度或意愿；行为光明正大
In talking about buying the property Peterson laid his cards on the table about his plans．彼得逊在购买那份产业时，明白说清了他置产的计划。

lay down/put one's cards on the table