節せつを売うる

expression, godan verb (-ru)

sell one's principles; sell one's honor; prostitute oneself

Idiomatic expression meaning to compromise one's integrity or moral standards for personal gain. Often used in contexts of betrayal, corruption, or selling out.

• 彼かれは金かねのために節せつを売うった。

  He sold his principles for money.

• 政せい治じ家かが節せつを売うるのは許ゆるせない。

  I can't forgive politicians who sell out their principles.