I'm fun and excitement has been practicing English with foreigners, but I'm afraid his bother and waste of time, because I understand the difficult and not good in English.
I'm fun and excitement has been practicing English with foreigners. But I'm afraid it will make him a nuisance and a waste of time, as I understand it, and not good at English.
I am fun and excitement has been practicing English with foreigners. But I'm afraid to annoy him and waste of time, because I understand the difficult and not good at English.