ReadWriteQuiz
Chinese dictionary
adj.unofficial
非官方商业机构
unofficial financial institution
非官方消息的传播
the spread of the news from unofficial sources
未经工会领导授权的非官方活动
unofficial action not authorized by the union leadership
出售非官方纪念品的推销员的生意很红火。
Salesmen of unofficial souvenirs have been doing a roaring trade.