Je dois finaliser ce dossier avant la fin de la journée.

Pronunciation: zhuh dwah fee-nah-lee-zay suh doh-see-ay ah-vahnt lah fahn duh lah zhoor-nay

Meaning: I need to finalize this file before the end of the day.

This phrase is essential in French business contexts where deadlines are tight and you need to communicate urgency and commitment to your colleagues.