Pay dirt
01
貴重な発見, 利益をもたらす発見
a valuable or significant discovery, often resulting in financial gain or success
Dialect
American
例
After months of searching, the archeologist finally hit pay dirt and discovered an ancient artifact.
何ヶ月も探した後、考古学者はついに大当たりを引き、古代の遺物を発見した。
The company has hit pay dirt with its new product line, which is selling like hotcakes
会社はその新製品ラインで 大当たり を引き、飛ぶように売れています。
02
利益をもたらす鉱石, 稼ぎのある鉱脈
ore that yields a substantial profit to the miner



























