I hold a door open for an old person.

我替一位老人把门开开。

《柯林斯英汉双解大词典》

What would a very old person do?

老人又会怎么呢？

youdao

So usually the old person tries helpfully to answer the question by offering advice.

所以老人们常常是根据别人的建议尝试去回答这些问题并使回答更有帮助。

youdao

Still,in the words of an old American saying, the person who keeps pulling the grapevine shakes down at least a few grapes.

VOA: special.2009.02.22

This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

耶鲁公开课 - 生物医学工程探索课程节选

It's important... I think this is the crucial point... that when we say a person is just a body, we don't understand that to mean... the physicalist doesn't mean that as-- a person is just any old body.

有个重要的一点...,我觉得这是最关键的一点,就是当我们说人只是个肉体时,我们不知道这意味着...,物理主义的意思不是...,人只是随随便便的某种肉体

耶鲁公开课 - 死亡课程节选

When an old person wants to start a conversation with a passerby, most recognize the need.

WSJ: Moving to Israel: An American Couple's Experience

Although still in her 30s, Ms Lublin's official title at DoSomething is Chief Old Person.

ECONOMIST: Schumpeter

Kids are reluctant to write back to that smelly old person who keeps pestering them.

FORBES: After The Post Office