상상조차

In a sentence

• 그 사고가 얼마나 끔찍했는지 상상조차 할 수 없어요.

  I cannot even imagine how terrible that accident was.

  The word '상상조차' emphasizes the inability to even conceive of the terribleness of the accident.

• 그의 재능은 내가 상상조차 못했던 수준이에요.

  His talent is at a level I couldn't even imagine.

  Here, '상상조차' stresses that the speaker's imagination cannot reach the extent of his talent.

• 우리가 우주를 탐험할 날이 올 것이라고는 상상조차 하지 못했어요.

  I could not have imagined that a day would come when we explore space.

  In this sentence, '상상조차' highlights the unlikeliness or unimaginable nature of space exploration becoming a reality.