to gain initial experience in a particular area or job
acquérir une expérience initiale dans un domaine ou un emploi particulier (acquerir une experience initiale dans un domaine ou un emploi particulier)
"He cut his teeth in the banking industry before starting his own firm."
"Il a acquis de l'expérience dans le secteur bancaire avant de créer sa propre entreprise." (Il a acquis de l'expérience dans le secteur bancaire avant de créer sa propre entreprise.)
to be visibly very angry
to become very angry
to try to teach someone something that is difficult for them...
to devote time or space to something
to support opposing parties to gain advantage
to be nervous, tense, or easily upset