YOU SAID:

We are still somewhat unfamiliar with this language...

INTO JAPANESE

私たちは、まだこの言語に精通.

BACK INTO ENGLISH

We are still familiar with this language.

INTO JAPANESE

この言語にも精通しております。

BACK INTO ENGLISH

We are familiar with this language.

INTO JAPANESE

我々 はこの言語に精通しています。

BACK INTO ENGLISH

We are familiar with this language.