他们估计是最后写明信片的人了，肯定几乎也到中年或老年了，已经对国家的老人所面临的问题感到焦虑或者紧张。

They are the last of a species, and are almost certainly middle aged or elderly, already nervous and worried about all the problems older people face in this country.

youdao

所以，如果你对将要做的事情感到紧张，别让这种焦虑成为绊脚石。

So if you're feeling on edge about what you need to do, don't let that stop you.

youdao

对某种情况感到紧张或焦虑。

To stress or be anxious about a situation.

youdao