名詞 backstage:

1. a stage area out of sight of the audience
   同義詞：wing, offstage

形容詞 backstage:

1. concealed from the public audience

副詞 backstage:

1. out of view of the public; behind the scenes
2. in or to a backstage area of a theater

1. The noise backstage scared Nancy and she blew her lines.
   后臺(tái)傳來的響聲把南希嚇壞了，她忘記了臺(tái)詞。
2. After the final curtain (ie After the play had ended) we went backstage.
   演出結(jié)束後我們到後臺(tái)去了。
3. I'd like to know what really goes on backstage in government.
   我很想知道政府在幕後到底在干些什麼。

back.stage

adv.（副詞）
In or toward the area behind the performing space in a theater, especially the area comprising the dressing rooms.
在后臺(tái)：在或朝向表演場(chǎng)地后面的地方，特別是指構(gòu)成化妝室的地方
In secret; privately.
秘密地；私下地
adj.（形容詞）

Of, relating to, occurring in, or situated behind the performing area of a theater.
在劇院后臺(tái)的：是、有關(guān)、發(fā)生在或位于劇場(chǎng)表演場(chǎng)地后面的
Concealed from the public; private.
幕后的，秘密的：隱瞞公眾的；私下的