After

I don't even want to think about calling someone in English
I don't think I can do it well and, it's all because of my stupid English.

Before

I don't even want to think about that calling in English.
I am pretty sure that I won't make it and it is all because of that my stupid English skill.

영어로 전화하는 것에 대해서 생각조차 하기 싫다. 
난 정말 성공하지 못할거같아
이건 다 바보같은 영어 실력때문이야.