authority有政府的意思吗

　　She's an authority on criminal law.

　　她是刑法专家。

　　He exerted all his authority to make them accept the plan.

　　他利用他的所有权力让他们接受这个计划。

　　She now has authority over the people who used to be her bosses.

　　她现在管辖着过去是她上司的那些人。