You probably know what a mobile is, but the mobile I'm talking about is a delicate object of decoration hanging from the ceiling and moving gently with every breath.

你可能知道什么是移动电话，但我说的移动电话是一个挂在天花板上的精致的装饰品，随着每一次呼吸轻轻地移动。

youdao

It's hard to be thrilled with your job if the company you work for is struggling to succeed, or feels stuck and irrelevant. I'm not talking about obvious problems — red ink and layoffs.

如果你所效力的公司正为成功而奋斗，或者感觉停滞不前、脱离(跟不上)时代，那么你是很难为工作而兴奋的，我还不是在谈论那些明显的问题——赤字和裁员。

youdao

As I said before, this is a quick example to give you an idea of what I'm talking about.

正如我之前说过的，这是一个简短的例子来让你知道我在说什么。

youdao

You won't get everything I'm talking about in the lectures, if all you do is the readings.

你同样无法了解我在讲座中所讲的全部，如果你只是一味的阅读。

耶鲁公开课 - 死亡课程节选

And I think "I'm good at" is useful for when you're talking about yourself, "I am."

当你在谈论自己的时候，你可以使用“I'm good at”句型，即“I am”。

I'm good at 课堂 - SpeakingMax英语口语达人