高こうレベル

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

high level; advanced

Describes something that is at a high standard, degree, or stage. Often used attributively with の to modify nouns.

• このゲームは高こうレベルの難むずかしさだ。

  This game is of a high level of difficulty.

• 高こうレベルの英えい語ご力りょくを身みにつけたい。

  I want to acquire a high level of English proficiency.