The focus of pleasure shifts to the genitals and fixation can lead to excessive masculinity in females or in males, or, if you're female, need for attention or domination.

性器官成为了快乐的主要来源,固着在此阶段，会导致女性或男性,过分男性化，或是导致女性产生对于关注或控制的欲求。

耶鲁公开课 - 心理学导论课程节选

The mouth is associated with pleasure.

快乐来源于口腔的动作。

耶鲁公开课 - 心理学导论课程节选

The final and the fifth premise is an important one; is a philosophical one but one I want to introduce at the beginning of the course so that you understand where I am coming from, where this course is coming from-- because many people say, "Ok, so happiness is important.

最后也是第五个前提很重要;,是一个哲学前提,但我想在课程开始时介绍,你们好理解我讲课的起源，这门课程的来源-,因为很多人说，好的，快乐是重要的。

哈佛公开课 - 幸福课课程节选