英语翻译 请各位大侠帮帮忙啊！（急求!!)

Dear sir/madam,
I am applying for the job of a PE teacher who can teach children how to do exercise and help to make their body stronger,together with the happiness while doing exercise. Without boasting, I can say that children will like me. I think I can do well in this job and please do consider my application.
Thanks for your time. I am looking forward to your reply.
Yours truly,
XXX

是求职信吗？我稍微添加了点东西。希望对你有所帮助。

Dear Sir and Madam:
I am a P.E teacher, I was able to teach kids how to exercise strong physique, I can so that they can experience the process of sports training joy I am sure that kids will like me, I will be able to qualified !

Dear Sir/Madam,
I am a PE teacher.I am capable of teach children how to do physical training to make their bodies strong and also let them feel happy in the process.I believe they will like me and I am sure I am qualified!

Dear sir/madam: I'm a sports teacher, I can teach children how to exercise strong physique, I can make them in the process of sport exercise feel joy I believe that children will be like me, I must be competent!