to become involved in order to help or stop something
devenir impliqué pour aider ou arrêter quelque chose (devenir implique pour aider ou arrêter quelque chose)
"The manager will step in if the discussion gets heated."
"Le responsable interviendra si la discussion devient chaude." (Le responsable interviendra si la discussion devient chaude.)
to support opposing parties to gain advantage
to take responsibility for what you did wrong.
to decide or act as the situation develops
something that is being monitored or considered
a person who promotes a brand through personal influence
to collect things together