He didn't realize until much later what a spectacular achievement his father made in getting his commission as an officer.他很久之后才明白，父亲获得军官这个职衔是多么了不起的成就。Students of English often encounter difficulty with professional titles.英语学生在使用职衔称呼方面常遇困难。He is higher in rank than I am.他的职衔比我高。He reached ministerial level in the Diplomatic Service.他在外交部门的职衔达到了公使级别。