From Wiktionary, the free dictionary
Adverbial form of фи́нский (fínskij, “Finnish”).
по-фи́нски • (po-fínski)
- in Finnish
- Я говорю́ по-фи́нски ― Ja govorjú po-fínski ― I speak Finnish.
- Э́то напи́сано по-фи́нски ― Éto napísano po-fínski ― This is written in Finnish.