Describe a time when you tried to do something but weren't very successful. You should say: when it was what you tried to do why you were not successful in doing it.

To be honest, I tried to learn many things in my life, but in all of this, I always faced challenges. Here I would like to talk about one such memory when I started learning to ride a bicycle from my father at the age of 13. It was a very humbling experience for me. [...]