to criticize someone unfairly; to speak badly about someone
critiquer quelqu'un de manière injuste ; parler mal de quelqu'un (critiquer quelqu'un de manière injuste ; parler mal de quelqu'un)
"He always runs his coworkers down behind their backs."
"Il parle toujours mal de ses collègues dans leur dos." (Il devalorise toujours ses collegues dans leur dos.)
to practice and improve one’s cognitive abilities
unauthorized access to confidential information
to gain initial experience in a particular area or job
to speak or act without thinking carefully
a person who promotes a brand through personal influence
to avoid making a decision or choice