He's uncommonly good at ventriloquism, and he did it uncommonly well, by God!

他非常擅长口技， 而且他做得非常好， 上帝保佑！

So in " Being John Malkovich, " you got identity that is very literally looked at as a form of ventriloquism, expressing one's essence through other vessels.

因，在《成为约翰·维奇》中，你所获得的身份实际上被视为腹语术的一种形式，通过其他容器表达一个人的本质。