out of reach

Prepositional phrase

idiomatic

Outside the distance to which someone can stretch out their hand. / (idiomatic) Impossible or too far away.

Japanese Meaning

手の届かない場所にある / 達成不可能、あまりにも遠い

The book on the top shelf was out of reach, so she fetched a step stool.

上の棚の本は手の届かないところにあったので、彼女は踏み台を取ってきた。

Sense（1）

Outside the distance to which someone can stretch out their hand.

Sense（2）

(idiomatic) Impossible or too far away.

I'm sorry, but your goal of becoming an astronaut is out of reach with those grades.