我的腿疼痛减轻了许多，但是当我坐下时还是会疼。

My leg is giving me much less pain but still aches when I sit down.

《柯林斯英汉双解大词典》

当我们阅读时，感觉如何？是兴奋还是沮丧？

How do we feel when we read, excited or upset?

youdao

当我还是个孩子的时候，有湖泊、森林和动物。

When I was a child, there were lakes, forests and animals.

youdao

In terms of why universities need Muslim chaplains, when I was at NYU as an undergrad, we had no central authority to figure.

就大学为什么需要穆斯林教士而言，当我还是纽约大学的学生时，我们没有一个核心领导。

普林斯顿公开课 - 人性课程节选

You can understand that initial hesitation when she asks, "Shall I go on? / Or have I said enough?"

你们可以理解当她发问时最初的犹豫，“我应该继续吗？还是我说的够多了？“

耶鲁公开课 - 弥尔顿课程节选

At my old age, I can spend my time" "When I was a young man, that's all I did.

活到这把年纪，我可以把时间花在．．．,当我还是小伙子时，脑中总是性。

耶鲁公开课 - 政治哲学导论课程节选