表現好壞的那一個
台上那個人的另一半特質是「被看著、看得出好壞」。把舞台拿掉、只留下這一半，performer 就從「表演的人」變成「表現如何的人或東西」——這時候 perform 講的是做得好不好，跟娛樂沒關係了。
how someone performs at work · noun · B1
Someone judged by how well or badly they do at work or an activity.
表現…者
核心畫面
Picture the person on stage, taking something they prepared and doing it right there in front of people. Two things matter in that picture: they are actually doing it, not talking about it, and someone is watching and can tell how well it went. The first half gives us actors, singers and dancers. The second half — being watched, being judged — is what later let the same word cover whoever, or whatever, is turning in a good or bad showing at work or in the market.
performer 可以想成「站在台上，把準備好的東西當場做出來給人看的那個人」。畫面裡有兩個關鍵：一是他真的在做（…更多收起
performer 可以想成「站在台上，把準備好的東西當場做出來給人看的那個人」。畫面裡有兩個關鍵：一是他真的在做（不是在講、也不是在計畫），二是有人在看、而且看得出來做得好不好。前面那半讓它指演員、歌手、舞者；後面那半——被人看著、被人打分數——讓同一個字後來也用在職場和商場上，指「表現如何的那一個」。From the picture
Also in this word
entertainer · noun · B1
an actor, musician, dancer, or other person who sings, plays, or acts to entertain people
表演者
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
performernoun/pɚˈfɔɹmɚ/
- 1
One who performs for, or entertains, an audience.
- 2
One who performs or does anything.
- the performer of an action
- It is imperative that these forms are completed accurately for work performed by you bearing your unique performer number, […]
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。