You wouldn't. Hammer is "Vasara" and frost is "ruota", "kuura", or "pakkanen", but NOBODY literally uses that. Sounds like a heavy metal song name.
If you mean frost in the ground then it's routa in Finnish.
"This is" would be "tämä on" in Finnish.E.g. This is a hammer. - Tämä onvasara.
Frost Hammer was created on 2010-01-13.
For you is sinulle in Finnish.
How is miten in Finnish.
I am not Finnish. - (Minä) en ole suomalainen.
Finnish legend in Finnish is "suomalainen legenda".
Yes is "kyllä" in Finnish.
Boring is tylsä in Finnish.
Daughter is tytär in Finnish.
Black is musta in Finnish.
Money is raha in Finnish.