My the biggiest goal in life is not expected too high I thought.

Hello, Wee!

Thank you for doing your homework.

Talk to you later ☺

After I graduate the high school I fail to enter the university.

>> I failed to enter the university after I graduated high school.

In this course I more or less taste a bitter flavor of life.
>> In this course, I more or less taste a bitter flavor of life.

failing to enter the university I revive the violin for the purpose of entering university.
>> I repaired violins for me to enter the university.

Now I am working at a company and I am doing it with coworkers who have a disadvantage in body.

>> Now, I am working at a company and I am doing it with my coworkers who have disabilities.

I am working with them.
>> CORRECT

Thanks for reading.

>> CORRECT