Enthralled is the past form, and also the form we use like an adjective. If you are enthralled, something has caught you so fully that you keep watching or listening; you are not bored, and you are not half somewhere else.

Enthralled著迷的、看得入神 is the past form是過去式 and also the form we use like an adjective也是我們拿來當形容詞用的形式 If you are enthralled如果你enthralled（著迷、入神） something has caught you so fully that you keep watching or listening代表有東西把你完全抓住了，讓你一直看下去或聽下去 you are not bored你不會覺得無聊 and you are not half somewhere else心思也不會有一半跑去別的地方

We usually say “enthralled by” a story, a film, a speaker. It is warmer and quieter than “obsessed,” and more complete than “interested.” You will meet it more often than the plain verb enthral, because English likes “I was enthralled” better than “it enthralled me,” though both are correct.

We usually say我們通常會說 "enthralled by"「enthralled by」 a story, a film, a speaker一個故事、一部電影，或一個講者 It is warmer and quieter than "obsessed,"它比「obsessed」（著迷到有點過頭）溫暖、安靜 and more complete than "interested."也比「interested」（有興趣）更完整 You will meet it more often than the plain verb enthral你會比較常看到這個字，而不是原本的動詞enthral because English likes "I was enthralled" better than "it enthralled me,"因為英文比較喜歡說「I was enthralled」，而不是「it enthralled me」 though both are correct雖然兩種說法都對

The old “held as a slave” meaning is not what people mean in a cinema or a classroom.

The old "held as a slave" meaning古老的「被當作奴隸關住」的意思 is not what people mean不是大家想表達的意思 in a cinema or a classroom在電影院或教室裡