メスが入いる

expression, godan verb (-ru)

undergo surgery; be operated on

Literal medical sense: a scalpel is used, i.e., surgery is performed. The subject is the patient or body part.

See also: メスを入れる (メスをいれる)

• 彼かれは事じ故こで大おおけがをして、すぐにメスが入はいった。

  He was seriously injured in the accident and underwent surgery immediately.

expression, godan verb (-ru)

be investigated; be scrutinized; drastic measures are taken

Figurative extension: a problem or organization is subjected to thorough investigation, reform, or drastic action, as if a scalpel is applied.

See also: メスを入れる (メスをいれる)

• 不ふ正せい会かい計けいの問もん題だいに、ついに監かん査さのメスが入はいった。

  The accounting fraud finally came under the scrutiny of an audit.

• 長なが年ねん放ほう置ちされてきた組そ織しきに、改かい革かくのメスが入はいった。

  Drastic reform measures were finally taken for the long-neglected organization.