一段时间以后，你不能再说自己是个初学者了，于是你得出一个结论，它不适合你。

After a while, you can't use the beginner excuse anymore, and so you conclude that you're not good enough, or it wasn't for you, so you give up.

youdao

我看了上星期天的一些照片，你不能再说这是足球，对守门员来说这更像是橄榄球而不是足球。

I saw some pictures last Sunday; you cannot say anymore it is football, it is rugby on the goalkeepers more than football. The referees cannot go on and accept that.

youdao

我不必再说了，如果你不能按我说的做，你要承担一切后果。

I needn't add that if you fail to do as I ask, you will suffer the consequences.

《柯林斯英汉双解大词典》

You cannot say, "I never heard of it. I don't know where it came from."

你就不能再说,"我从没听说过,我不知道它是怎么来的"

耶鲁公开课 - 基础物理课程节选

So you can no longer say, "Look. Physical things just can't do that" because we know physical things can do a lot and this opens up the possibility that humans are physical things, in particular, that humans are brains.

所以你不能再说,"生理客体是无法做到的",因为我们知道生理客体可以做到很多,这也增加了人类就是生理客体的可能性,更详细的说,人类就是大脑

耶鲁公开课 - 心理学导论课程节选