Go to bed - allez au lit
Bad is 'mauvaise' and girl is 'fille'.
"Pas mal" is how you say "not bad" in French.
bad - mauvais
Mauvais.
I am not bad is "je ne suis pas mauvais / mauvaise" in French.
The way to say "bad" in french is mauvais (masculine) or mauvaise (feminine)
un mauvais professeur
Méchant loup.
malfaiteur
"She will go" in French is "Elle ira."
One would say "dommage".
To say "go downstairs" in French, you would say "descends les escaliers."