请帮忙给出正确答案和分析,谢谢!
We have reason to believe that he was murdered.(英译中)
He is a rich man.(英译中)
He is a man of noble birth.(英译中)
He is good at his job but he seems to lack confidence.(英译中)
What led you to believe I was ill?(英译中)
He is a great man indeed.(英译中)