食くい入いる

godan verb (-ru), intransitive verb

eat into; corrode; bite into

Describes something (acid, rust, a tool, etc.) physically eating into or corroding a surface; also used figuratively for something deeply affecting or preoccupying someone. Often appears in the set phrase 食い入るように見る (to stare intently).

• 酸さんが金きん属ぞくに食くい入いる。

  The acid eats into the metal.

• 彼かれは食くい入いるように画が面めんを見みつめた。

  He stared at the screen as if trying to bore holes into it.