In my father's belt, I can't help secretly complaining that I'm still carrying something in this heat. What is the expression?

In my father's belt, I can't help secretly complaining that I still have something on me in this heat. Expression: Because the weather is very hot, it is enough to show that the father is willing to send his son to school.

Excerpt from the original:

At that time, it was the peak of passenger flow, the platform was crowded and the whistle roared. My father bent down to clear the way in front with a big traveling bag on his back, and I followed closely with my handbag. The weather in September was still sultry, and soon my father's shirt was soaked with sweat. I can't help secretly complaining that I still have something on me in this heat. That's ...

Question:

1, write the main content of this article.

My father took me to school and accidentally broke my belt. It was embarrassing, but he didn't care.

2. Why did Dad go to the railroad track to pick pears? In this regard, why does "I" "scream in fear"?

Pears just picked at home, pollution-free fruits, let my son take them on the road to eat. Father curled up and leaned over his feet. Picking pears on the tracks is dangerous.