A run-through is a short practice of the whole thing before the real performance, test, or talk. You go from start to finish once, so everyone can see the shape of it — not yet the true show.

A run-through is一次 run-through 就是 before the real performance, test, or talk在真正的演出、考試或演講之前，of the whole thing把整個東西 a short practice短短練一遍。You go from start to finish once你從頭到尾走一次，so everyone can see好讓每個人看見 the shape of it它整體的形狀——not yet the true show還不是正式演出。

In a theatre it is a rehearsal without the full costumes and lights; a dress rehearsal is a step more serious. A teacher may say, “We’ll do a run-through of the exam,” meaning you try the whole paper once so nothing feels new on the day. In an office people do a run-through of a presentation: they click the slides and say their lines out loud.

In a theatre在劇場裡，it is a rehearsal它是一場排練，without the full costumes and lights不上全套戲服和燈光；a dress rehearsal is a step more serious總彩排（dress rehearsal）則再正式一級。A teacher may say老師可能說：“We’ll do a run-through of the exam,”「我們把考試完整走一遍」，meaning意思是 you try the whole paper once你把整份考卷試做一次，so nothing feels new on the day這樣當天就沒有東西是陌生的。In an office在辦公室裡，people do a run-through of a presentation人們把簡報走一遍：they click the slides他們一頁頁點投影片，and say their lines out loud把要講的話大聲說出來。

It names a planned session, a bit more than a casual “let’s practise.” Though actually, in daily speech many people just say “Let’s go through it once.” You will still hear run-through a lot in theatre, events, and work.

It names a planned session它指的是一場排定的練習，a bit more than a casual “let’s practise.”比隨口一句「來練習吧」再正式一點。Though actually不過實際上，in daily speech日常說話裡，many people just say很多人只說 “Let’s go through it once.”「我們過一遍吧」。in theatre, events, and work在劇場、活動和工作場合，You will still hear run-through a lot你仍會常常聽到 run-through。

The hyphen is usual in writing: run-through. This is the noun. The verb run through has other lives (to go through something, or, in stories, to pierce someone with a sword); do not pour those into this one.

in writing書寫時，The hyphen is usual通常加連字號：run-through。This is the noun這裡講的是名詞。The verb run through動詞 run through has other lives另外有別的生命 (to go through something把某樣東西過一遍，or, in stories或在故事裡，to pierce someone with a sword用劍刺穿一個人)；do not pour those into this one別把那些倒進這一個裡。