膿うみを出だす

expression, godan verb (-su)

drain the pus; root out corruption; clean up

Idiomatic expression. Literally 'to drain out pus', used figuratively for forcing out corruption, misconduct, or bad elements from an organization or group. Often implies a thorough, sometimes painful, cleansing process.

See also: 膿

• 組そ織しきの膿うみを出だすために、不ふ正せいを行おこなった役やく員いんを全ぜん員いん解かい任にんした。

  To root out the corruption in the organization, they dismissed all the executives who had committed misconduct.

• この問もん題だいは、膿うみを出だし切きらないと再さい発はつするだろう。

  This problem will likely recur unless we drain all the pus, so to speak.