作为中立的观察员，我的分析应该客观。As an impartial observer my analysis is supposed to be objective.国际观察员说此次投票是公正的。International observers say the balloting was fair.那个老人被派作观察员.The old man was sent along as an observer....

“观察员”的英语可以翻译为：[法] inspector，observer ...