1.The police provided a safe house for the informer.
警方给线提了一个安全屋。
2.The gang leader decided that the informer must be taken for a ride.
歹徒头目决定要将告密者用汽车绑架去干掉。
3.One of the gang members had turned informer.
团夥中的一员成了告密者。
4.The service had planted its agents and informers in some key positions in industry.
特工处已将特工和密探安插在工业部门的某些重要工作岗位上。
5.The last part raises problems brought by the appetence of news informer and proposes news informer system that suits to the country"s actual conditions.