to end a phone call
terminer un appel téléphonique (terminer un appel telephonique)
"He suddenly hung up without saying goodbye."
"Il a soudainement raccroché sans dire au revoir." (Il a soudainement **raccroche** sans dire au revoir)
to become calm after being angry
to build momentum by completing quick successes
to recover or improve after a setback or loss
to gain muscle and become stronger
to change approach or strategy when necessary
to stop being aggressive or argumentative in a conflict