宝たからの山やま

expression, noun

gold mine; treasure trove; mountain of treasures

Idiomatic expression meaning a place or source of great wealth, valuable resources, or abundant opportunities. Can be used literally or figuratively.

• この図と書しょ館かんは知ち識しきの宝たからの山やまだ。

  This library is a treasure trove of knowledge.

• 彼かれのアイデアはビジネスの宝たからの山やまだった。

  His ideas were a gold mine for the business.