万ばん代だい

noun, adverb

eternity; thousands of years; all generations

Literary or formal word for a vast span of time, often used in poetic or philosophical contexts to mean 'for all ages' or 'forever'.

• この教おしえは万ばん代だいに伝つたえられるべきだ。

  This teaching should be passed down for all generations.

• 万ばん代だいの平へい和わを願ねがう。

  I pray for eternal peace.