大家好，今天我們分享的表達——fly on the wall, 它的中文含義不是指「飛到了牆上」，其正確的含義是：
fly on the wall 暗中偷聽者；暗中觀察者
I'd love to be a fly on the wall when those two get home!
我想暗中聽聽那倆人回到家說些什麼！
I'd love to be a fly on the wall at their team meetings.
我想在他們團隊會議中當一個暗中偷聽者。
I』d love to be a fly on the wall when the committee is discussing the report I wrote!
當委員會在討論我寫的報告時， 我想暗暗地觀察一下。
fly-on-the-wall （電視節目）紀實的
For six months, a BBC film crew worked on a fly-on-the-wall documentary about their forthcoming marriage.
這六個月以來，BBC電影拍攝組在拍攝一個關於即將上映的婚姻紀錄片。
It's a fly-on-the-wall film made by director Cameron.
這是卡梅隆拍的紀實電影。