I had been told from school onwards that the best definition of a human being was man the tool-maker - yet I had just watched a chimp tool-maker in action.

我从念书的时候就一直被教导人类最好的定义就是能够制造工具——但是我却观察到一只猩猩制造工具的过程。

youdao

Action is a unique exercise method and a specific essence of human being.

行动是人所独有的运动方式，是人的特殊本质之一。

youdao

Chandy said that in situations like tactical military operations where the decision may be to use a weapon "it's always done with a human being responsible for their final action."

Chandy说在有些情况下，比如战术军事上的某个涉及到使用武器的操作，“它会一直有个对此事最终行为负责的人参与其中。”

youdao

As a visual spectacle, it rivals anything in The Lord of the Rings or King Kong, precisely because you know you're seeing a human being in action.

BBC: NEWS | UK | Magazine | What happened to slapstick?

S. Mill, the right action is roughly speaking whatever most promotes human well-being.

ECONOMIST: First principles of justice: Rights and wrongs | The