当とう代だい第だい一いち

noun, noun which may take the genitive case particle 'no'

the greatest of the day; the foremost in the present age

Used to describe someone or something considered the best in their field during the current era. Often appears in formal or literary contexts, such as historical descriptions or critical appraisals.

• 彼かれは当とう代だい第だい一いちの画が家かと称しょうされている。

  He is acclaimed as the greatest painter of the present age.

• この作さく品ひんは当とう代だい第だい一いちの傑けっ作さくと言いえるだろう。

  This work can be called the foremost masterpiece of our time.