1- a situation when you waited for a bus or a train 2- a challenging profession you know about

You should say:
Describe something you want to learn more.

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not be more difficult for me to learn more about the car repairing. Further, I 
have also planned that I will engage myself at any car repairing workshop 
where I could gain some practical know-how about the car repairing. 
This is another important issue to consider. There are not many places where I 
could learn the repairing. Thereby, I have to admit myself as an intern at the 
workshop and I might have to pay them as well in exchange of learning. In my 
locality, I know such an automobile workshop where they appoint intern and 
teach them very well about the pros and cons of automobile engineering. The 
students who learn their really work well. When I took my car at the workshop, 
the students serviced properly all the troubles and also suggested me some 
tips for the betterment of the car. The tips were helpful indeed and my car’s 
performance level improved to its greatest extent. 
There are many reasons behind this desire. I learnt minor automobile servicing 
as I own a car. But it is impossible for me to solve all the troubles and issues 
engaged with the car. If I learnt the car repairing completely, it will help me 
saving my cost and at the same time, I could serve others without any charge. 
Moreover, travelling is my hobby and love to board on my Volvo S60 Sedan for 
long journeys. But I had some bitter experiences on the road and I could not 
manage to get rid of the situations. All of my enjoyment turned into worries 
and I had to return home. When I took the car at an automobile workshop, 
they changed even the unnecessary parts and charged me more than usual. 
But if I had the slightest knowledge about the car repairing or on automobile 
engineering, I could have prevented the extra charges imposed. I also believe 
that knowledge is powerful and enabled to help people to some extent. So, if I 
keep learning the car repairing, it would help me in future. I do not dream of 
using my knowledge for some professional purposes rather it would be my 
strength in distress.