A:What was the district attorney appointed to do?

　　州地方检察官被任命做什么？

　　B:The district attorney was appointed to represent the state in criminal cases.

　　州地方检察官被任命在刑事案件中代表州政府进行公诉。

　　The man was appointed to be a manager.

　　这个人被任命为经理。

　　He was appointed to investigate and collect evidence.

　　他被任命调查取证。

　　You are appointed to do the job.

　　你被任命做这个工作。

　　延伸阅读:

　　A:Not every violation of law can be prosecuted.

　　并非所有的违法行为都要被起诉。

　　B:Yes,prosecutors have wide discretion in deciding which to prosecute and which to drop.

　　是的，在决定是否起诉时检察官具有很大的自由裁量权。

　　I have wide discretion in deciding whether to go or not.

　　在决定去不去的问题上我有很大的自由裁量权。

　　I have not discretion in doing it or not.

　　做不做我没有自由裁量权。

　　Who have wide discretion in deciding whether to go or not?

　　在决定去不去的问题上谁具有很大的自由裁量权?