to make something enjoyable as well as useful, to make one's work more fun, to mix business with pleasure

unanimously

to win unanimous support, to be approved unanimously, to be the object of a full consensus, to be unanimous

(transitive, figuratively) to wear (someone) down (to eventually persuade (someone) through persistent effort, for example by asking them repeatedly)

feminine singular of l'un l'autre

(figuratively, transitive with à) to bring someone out in a rash, to get on someone's nerves