You do have a voice, your own voice.

你確實有話要說 你自己的心里話

And there was a voice. I heardI heard this voice.

周圍出現一個聲音 我聽見了

I invented the voice. I use the voice.

那音調是我發明的 我常用的

You need to be the voice for people who do not have a voice.

你必須為沒有發言權的人講話

I don't hear my voice I only hear your voice.

我聽不到自己的聲音 滿腦子都是你的聲音

I know that voice. I hate that voice.

我聽過這個聲音 我恨死這個聲音了

I'm going after him and I'm not gonna do it with my voice because I had no voice.

我要追上他 我不會靠動嘴皮子來實現 因為我沒有發言權

...from their voice, so it's clear the voice is deeply expressive.

通過他們的聲音 顯然聲音相當具有表現力

And so are you with your own voices.

你們也可以 用你們自己的聲音

Because they know that my voice, a voice that refuses to be enslaved, once lived in you.

因為他們知道我的心愿 我那拒絕被奴役的心愿 也曾是你們的心愿