① spectator指觀看不需要注意聽的展覽、表演或娛樂活動等的觀眾,如看體育比賽等。
Many spectators stood around the football field to watch the game. 許多觀眾圍著足球場看比賽。
② audience指參加音樂會、演講或觀看戲劇等的觀眾、聽眾。
The audience was enjoying every minute of the show. 觀眾自始至終欣賞這次演出。
③ observer指對事物、細節(jié)認真觀察的人,如科學工作者、軍事或外交觀察員等。
He was a skilled observer of insects. 他擅長觀察昆蟲。
④ looker-on/onlooker指抱有隨便的、不介入態(tài)度的旁觀者。
There was a great crowd of lookers-on at the fire. 著火的地方有一大群人旁觀。
⑤ witness指對某事件有第一手資料因而可以提供證據(jù)的人,證人。
A witness was summoned to appear in court. 一位證人被傳喚出庭。