君の計画は砂上の楼閣に過ぎないよ。
Your scheme is like a house built on the sand.
基礎に杭を打ち込むのを忘れて、空中に楼閣を建てるとは、あなたも愚かな人だ。
It is foolish of you to build a castle in the air while forgetting to drive in pilings for its foundation.
13 strokes
watchtower, lookout, high building
On'Yomi: ロウ
Kun'Yomi: たかどの
14 strokes
tower, tall building, palace
On'Yomi: カク
Kun'Yomi: