사람이나 동물을 가혹하게 다루거나 공정하지 못하게 대하다.
To treat someone or something badly, cruelly, or unfairly.
예문:
"The investigation revealed that several prisoners had been mistreated by the guards."
"She decided to leave the company because she felt mistreated by her supervisor."
"It is a crime to mistreat animals or neglect their basic needs."