We all feel in control of our actions and thoughts. It's what defines us.

我们似乎都能控制自己的思想与行为，这定义了我们自身。

youdao

We started this project as a continuation of mankind's perpetual quest to learn the nature of reason and what defines us as humans.

我们启动了这个计划作为对人类永恒追问与学习自然原理以及我们何以为人的延续。

youdao

Because all women know that age is not just a number - it defines us, shapes us, influences what we do, how we do it, and whom we do it with.

因为所有女人都知道年龄不只是个数字——它界定我们，塑造我们，影响我们的行为、行事方式以及与谁一起做事。

youdao

That is what defines us.

WHITEHOUSE: President Obama Addresses the British Parliament

It's not our experiences that define us but what we make of our experiences that defines us as we grow and change.

CNN: Before I die, I want to ...