本ほん当とうにまあ

expression, adverb

how admirably; how wonderfully; how skillfully

An exclamatory phrase expressing admiration or amazement at someone's skill, quality, or achievement. Often used with a tone of impressed surprise.

• 本ほん当とうにまあ、よくできましたね。

  My, how wonderfully well you've done it!

• 本ほん当とうにまあ、見み事ごとな演えん奏そうだった。

  Really, what a splendid performance that was.