You don't have the faintest idea what you're talking

You don't have the faintest idea what you're talking
You don't have the faintest idea what you're talking

You don't have the faintest idea what you're talking
你一点都不知道你在说些什么.

你根本不知道你在说什么

你对你说的话, 连最微薄的见解都没有

你对于自己所谈论的内容连很小的见解都没有。