Rendre + Adjective
Normally,the verb rendre means to give something that you owe to someone, such asOn rend ses devoirs au professeur. It can also be used in thesense of to represent. But rendre + adjective means to makesomeone or something + adjective.
Tume rends si heureuse! You make me so happy! Le fait qu'il nepossède pas de voiture le rend triste. The fact that he doesn't have acar makes him sad.