First Time In My life

Description my first time experiences.

There are many experiences of first time in my life.
Here're a expample, the first time about writing English on the wedsite.
I'm Taiwanese, and my official language is Mandarin and Taiwanese, maybe I have made many mistakes at writing this,but I want to improve my ability of English writing, I hope sincerely that you might help me and tell me what mistakes I have made..
Thanks a lot~