最さい高こうレベル

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

highest level; top level

Used for the utmost degree, rank, or standard in a field, often in evaluative or comparative contexts.

• このレストランのサービスは最さい高こうレベルだ。

  The service at this restaurant is of the highest level.

• 彼かれの技ぎ術じゅつは最さい高こうレベルに達たっしている。

  His skill has reached the highest level.