所有在场的人都看出了他很紧张。

His nervousness was manifest to all those present.

《牛津词典》

某些在场的人不愿意进一步讨论这个问题。

Certain of those present were unwilling to discuss the matter further.

《牛津词典》

所有在场的人都吃惊了。

All who were present were surprised.

youdao

And not a single young person in the room except my son, who was then a teenager who would tag along and see his father testify.

却没有一个年轻人在场,除了我儿子，是当时唯一的青少年,除了他没人跟着父亲参加听证会。

麻省理工公开课 - 媒体、教育、市场课程节选

and you can tell them,

你可以告诉在场的人，

I get so upset 课堂 - SpeakingMax英语口语达人

If Freud's argument for death, that is to say, none of us believe we're going to die, was any good, the argument that none of us believe meetings ever take place without us would have to work as well.

如果弗洛伊德对死亡的说法，也就是，人都不相信自己会死的说法是正确的，那么就是说没有人相信,自己不在场的会议举行这件事也是正确的。

耶鲁公开课 - 死亡课程节选