" A line of what? What kind of literature can one keep corked up for twenty years" ?

“一句什么？什么样的文学作品可以封存二十年” ？

There's no pleasure i' living if you're to be corked up for ever, and only dribble your mind out by the sly, like a leaky barrel.

如果你永远被软木塞塞住，只能像漏水的桶一样，偷偷地把你的思绪滴出来，那我活着就没有乐趣了。