困こん難なんを極きわめる

expression, ichidan verb

be extremely difficult; present a major challenge

Used when a situation, task, or problem is exceptionally hard to deal with or overcome. Often appears in formal or written contexts.

• この問もん題だいは困こん難なんを極きわめるだろう。

  This problem will be extremely difficult.

• 救きゅう助じょ活かつ動どうは悪あく天てん候こうのため困こん難なんを極きわめた。

  The rescue operation was extremely difficult due to the bad weather.