Now we know that Milton was blind probably well before the time he began writing Paradise Lost, and therefore, of course, he was then unable to read.

现在我们知道弥尔顿很可能失明了,这早于他开始写《失乐园》的时间，因此，他不能通过眼睛阅读。

耶鲁公开课 - 弥尔顿课程节选

As early as 1803, we know he's working on-- Trying to get this to work just right.

早在一八零三年,我们就知道他开始,努力去使它恰如其分

耶鲁公开课 - 聆听音乐课程节选

We go that far and we still haven't heard the home pitch.

我们其实早已经知道的,只是还没听到而已

耶鲁公开课 - 聆听音乐课程节选