A governmentofficial disclosed that they were on a secret blacklist.
一位政府官员透露说，他们被列入了秘密黑名单。
《柯林斯英汉双解大词典》
2
All large and medium-sized Chinese cities will have greater air quality monitoring by 2010, says a governmentofficial.
一位政府官员表示，到2010年，中国所有大中型城市的空气质量监测都将得到加强。
3
We can think of a governmentofficial holding a news conference, a lawyer cross-questioning a witness in court, or a professor directing a seminar discussion.