corrupt practices; bad habit
Refers to entrenched bad customs or corrupt practices, often in an organizational or societal context. Somewhat formal and literary.
We need to correct the corrupt practices in politics.
Old bad habits are hindering reform.
Compound of 弊 (へい, 'evil, harmful') and 習 (しゅう, 'custom, practice'). The exact historical derivation is uncertain, but the word is conventionally associated with entrenched bad customs.