1. The young ladies of the public relation are too inhibited to laugh freely.
    公关小姐们抑制自己不随便大笑。

1. 抑制：内倾人格特征是:抑制(inhibited)、羞怯(shy)、缄默(reserved)和严肃(sober). 有重要的一点需要认识到,只有在极端的情况下我们才能谈及人格类型. 事实上,荣格曾提出过一种称作外倾-内倾的双极人格尺度. 大多数人不是处于两极的一个极端或另一个极端之上,

2.

2. 羞怯的：inhibit 抑制 | inhibited 羞怯的 | inhibiting 抑制作用的

1. 受抑制的;受约束的;拘谨的
    If you say that someone is inhibited, you mean they find it difficult to behave naturally and show their feelings, and that you think this is a bad thing.

    e.g. We are rather inhibited about touching each other.
           我们对身体接触感觉很不自在。

1. held back or restrained or prevented

    e.g. in certain conditions previously inhibited conditioned reactions can reappear