A crazy week is 'une semaine folle' in French. In some cases you may as well find the adjective before the noun: une folle semaine.
To say crazy in French, fou,(f-oo)
bizzare but it sounds better if you say it like my friend Corrine with a "crazy insane" French accent
You would say "Cette semaine" Which means this week in french!
Fou (crazy)
Into the week is "pendant la semaine" in French.
You can say "Je ne suis pas fou/folle" in French, which translates to "I am not crazy."
folle de toi
Tortue folle.
Chat fou.
je t'aim
Vieille femme folle
un amour fou