LMA you still have not answered how you retify speaking the language of the goyim
One of the reasons the bnei Yisroel deserved to be redeemed in Egypt was not speaking the language of the goyim.
There are many things we can debate on what is integration with goyim, however language is key (as shown in Egpyt).
In fact in many yeshiva language of the goyim is not spoken anymore and learning takes place in yiddish