to calm yourself when feeling nervous or tense
успокоиться, когда чувствуешь себя нервным или напряженным (uspokoitsya, kogda chuvstvuesh sebya nervnym ili napryazhennym)
"He took a short walk to cool his nerves before the interview."
"Он сделал короткую прогулку, чтобы успокоиться перед интервью." (On sdelal korotkuyu progulku, chtoby uspokoitsya pered intervyu.)
to involve someone unwillingly in a dispute or war
to become so excited that you lose control of your feelings...
to calm down by doing something relaxing
to start crying suddenly
to successfully negotiate an agreement
to continue feeling angry or resentful toward someone