Many southerners believe,even today, that reconstruction was a bitter time of defeat.

VOA: special.2010.02.04

Bitter constraint and sad occasion are forcing him to write, even though, of course, he's not yet ready.

亲友的惨遇，痛苦的重压迫使他下笔，尽管如此，他还是没准备好。

耶鲁公开课 - 弥尔顿课程节选

Why does your body experience one food as highly pleasant, highly reinforcing, highly comforting, highly soothing even, and experience those other foods as bitter and unpleasant?

为何身体能从一种食物中获得高度愉悦感,感到极度满足,舒适,甚至感到安抚,但却觉得其他食物难以下咽呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选