1. "Long-distance call" - the answer: The world is as close as the other side.
From "Sending Du Shaofu to Shuzhou" by Wang Bo, a poet of the early Tang Dynasty:
The city gate assists the Three Qin Dynasties, and the wind and smoke look out to the Five Tianjins.
I want to say goodbye to you, both are eunuchs.
There are close friends in the sea, and they are like neighbors in the world.
If you do nothing, you will be on the wrong road, and your children will be stained with towels.
2. "Zhang Fei checks household registration" - answer: fly into the homes of ordinary people.
Selected from Liu Yuxi's "Woyi Alley"
There are wild grasses and flowers beside Zhuque Bridge, and the setting sun is setting at the entrance of Wuyi Alley. In the old days, king Xietang had a swallow in front of the hall and flew into the homes of ordinary people.