For five years of work how many days do you need is an English equivalent of 'Pour cinq années de travail combien de jours vous faut-il'. The preposition 'pour' means 'for'. The number 'cinq' means 'five'. The feminine noun 'années' means 'years'. The adverb 'combien' means 'how many'. The preposition 'de' means 'of'. The masculine noun 'jours' means 'days'. The personal pronoun 'vous' means 'you'. The verb 'faut' means '[he/she/it] is necessary or needs'. The masculine pronoun 'il' means 'he/it'. All together, they're pronounced 'poor sehn-kah-neh duh trah-veye* kohm-byeh duh zhoor voo foh-teel'.
*The sound 'eye' is similar to the sound in the English noun 'eye'.