さじょうろうかく 砂上の楼閣 LinksSentence search for 砂上の楼閣Sentence search for さじょうのろうかくKanji details for 砂, 上, 楼 and 閣Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. house built on sand; house of cardsIdiomatic expression, from Matthew 7:26 Discussions Log in to talk about this word.