かくまで

expression, adverb

so; to such an extent; this much

Formal or literary expression emphasizing the degree or extent of something, often with a nuance of surprise or intensity. Used in written language or formal speech.

• かくまでご尽じん力りょくいただき、感かん謝しゃに堪たえません。

  I am deeply grateful for your efforts to such an extent.

• 事じ態たいがかくまで悪あっ化かするとは誰だれも予よ想そうしなかった。

  No one expected the situation to deteriorate this much.