Yes, sure!!!

the 2nd option soubds more natural! :))

Would you please correct my sentence？ If I didn't get your reply for more than 2 weeks, it seems like you don't enjoy our conversation, and I can't keep my motivation high for you. I’ll quit talking to you.

your sentence is totally ok if uou want an informal way :)

!Hola! La traducción para "since" es "desde" :) "hace un rato desde la ultima vez que hablamos" seria la traducción correcta para la frase arriba

My most recent vacation was in june to Bariloche, Argentina. It's such a lovely place! There I saw snow for the first time in 2010 and, 8 years after, i had the pleasure to have this experience for the second time. I'm really thankful for this. It has cool places to visit and to eat. People there were really nice even me being a brazilian hahahah (for who don't know Brazil and Argentina don't like eachother in soccer).

I Just arrived into a new city. I speak a little bit of english but I'm not good and fluid enough. I need to find a job which help me to learn english. So I need to get some money to pau for my room and the other things. I'm a good worker and I have experience as a cook, cleaner, etc... If you give me this oportunity to work in your company, you'll make me very happy. I promise you to follow all the rules there. What do you think about it? Thank you very much.