"A (one) exam (examination, inspection)" is an English equivalent of the French phrase un examen. The pronunciation of the masculine singular phrase will be "eh-nek-za-meh" in French.
Un examen (masc.) is "an exam" in English.
abbiamo un examen oggi
'passer un examen' means 'to take / to sit an exam' in English. (That doesn't mean that you actually pass it). Regarder is 'to watch, to look at', so regarder passer un examen means 'to look at [someone] taking an exam'
Un haut in French means "a summit" or "one top" in English.
Un hublot in French means "a porthole" in English.
Un dragon (French) is spelled 'a dragon' (English).
just "examens" but to take an exam is "passer un examen" and to pass an exam is "réussir un examen"
Un film en anglais in French means "a film in English" in English.
The English article "a" is translated "un" (masculine) or "une" (feminine) in French.
Ayez un jour béni! in French is "Have a blessed day!" in English.
Vous êtes un mégot! in French is "You are a cigarette butt!" in English.
a lamb is called 'un agneau' in French.