考かんがえられない

i-adjective

unthinkable; unimaginable; inconceivable

Expresses that something is beyond what one can conceive, believe, or accept as possible. Often used in strong emotional reactions.

• 彼かれがそんなことをするなんて考かんがえられない。

  It's unthinkable that he would do such a thing.

• この問もん題だいがこんなに難むずかしいとは考かんがえられなかった。

  I never imagined this problem would be so difficult.