Exhaustion would make me drift toward sleep and then I would scream until I was wide awake again.

体力不济之后，我会入睡,下次又是尖叫着惊起。

耶鲁公开课 - 1945年后的美国小说课程节选

So it's very difficult, but what I come down to is that you just have to place your energy on your breath, and every time you notice your awareness drifts to somewhere else, you have to recognize this drift and let it go.

因此这很难，但我总结的方法是,只需要把能量集中到呼吸上，每次注意力不集中,飘到别处时，要意识到意识的涣散，并放手不管。

普林斯顿公开课 - 人性课程节选

Your eyes drift separately and slowly you're hard to wake up.

眼球运动时断时续，然后很慢,这种睡眠很难叫醒。

耶鲁公开课 - 心理学导论课程节选

So it started to drift and people started to think I think a guinea is worth more than twenty shillings and the market price drifted up to twenty-one shillings.

所以，它的价值开始波动，人们开始考虑,我认为一个几尼的价值多于二十个先令的价格,于是市场价格就上升到二十一先令的价值上去了。

耶鲁公开课 - 金融市场课程节选