I hold a door open for an old person.

我替一位老人把门开开。

What would a very old person do?

老人又会怎么呢？

Marriage turns you into a boring old person.

结婚会让你变成一个无聊的小老头。

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

生物医学工程探索课程节选 : 耶鲁公开课

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

死亡课程节选 : 耶鲁公开课

In May, a thirteen-year-old American boy became the youngest person to climb the tallest mountain on Earth.

VOA : special.2010.06.30

Last month, thirteen- year-old Jordan Romero became the youngest person to reach the top of the mountain.

VOA : special.2010.06.30

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