abuse one's authority的用法和样例：
- Graphic in Abu Ghraib abuse photos.
- He greeted me with a stream of abuse.
- Laws against child abuse should be stiffened up.
- I didn't expect him to descend to personal abuse.
- America's moral authority in Iraq suffered a severe setback when photographs of prisoner abuse at Abu Ghraib jail were released.
- He came out with a stream of abuse.