彼は一生をかけて膨大な財産を築いた。
He spent his entire life building up his massive fortune.
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Example sentences
このプロジェクトには膨大な時間と費用がかかる。
This project requires a vast amount of time and expense.
専門家が膨大なデータを解析して、市場の動向を予測した。
Experts analyzed vast amounts of data to predict market trends.
その古い屋敷には、膨大な蔵書を収めた秘密の書庫があった。
In that old mansion, there was a secret library containing a vast collection of books.
祖父の書斎には、長年かけて集められた膨大な蔵書がある。
In my grandfather's study, there is a massive collection of books gathered over many years.
Usage Notes
Describes something that has expanded greatly in scale, volume, or number. Often used for costs, time, or amounts of data.
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