I am native Chinese speaker and I don't speak Slovak language so you will be able to learn very quick as I will not be use Slovak language at all.I teach in England from kids to university student and adults as well. I am here since December 2014 and I am free to teach at anytime between 08.00 till 20.00.
I use skype for lessons as well so ask for details for online lessons. I have discount for online lessons if you take 10 lessons and more.My husband teaches as well and he take all students who is beginner level and need explain more about grammar.