And when he looked at her, he was so overwhelmed with emotion and sadness that he couldn't find her, that he began to cry.

当他看着她时，他被激动之情和悲伤淹没,因为他找不到她，于是他开始哭泣。

哈佛公开课 - 幸福课课程节选

And the story goes-- He was dealing with a child actor who simply could not cry.

有一次-,和他合作的一个小演员竟哭不出来。

耶鲁公开课 - 心理学导论课程节选