"You are a bad woman!" is an English equivalent of the French phrase Vous êtes une mauvaise femme!
Specifically, the personal pronoun vous is "you" in the singular and "you all" in the plural. The verb êtes means "(you) are". The feminine singular indefinite article une means "a, one". The feminine noun femme means "woman". The feminine adjective mauvaise translates as "bad".
The pronunciation will be "voo-zeht-zyoon fahm moh-vehz" in French.