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