Mon petit tresor
Mon chez means my home (it should be - mon chez moi)
mon amour, mon chéri means my love, my darling boy
Mon patron is "my boss" in French. In French, the word is never used to mean 'customer'.
Mon fils means "my son" in English.
mon
What does mon mean
If you mean "mon dessin", it means "my drawing"
mon amour = my love
Mon petit tresor
Mon is typically the pronoun for my or mine.
mon père - my father
To my knowledge, mon is my. Example: Comment allez-vous, mon ami?
"mon ami" means "my friend", "mon amour" means "my love", "darling".
Mon chez means my home (it should be - mon chez moi)
Mon anniversaire means "my birthday".
perhaps you mean - mon avis? - my opinion