to control your emotions and not let them take over
kontrolirovat' svoi emosii i ne pozvolyat' im zanyat' verhovodstvo (kontrolirovat' svoi emosii i ne pozvolyat' im zanyat' verhovodstvo)
"During negotiations, she managed to keep her emotions in check."
"Vo vremya peregovorov ona smogla derzhat' svoi emosii pod kontrol'em." (Vo vremya peregovorov ona smogla **derzhat' svoi emosii pod kontrol'em**.)
to expand by adding extra resources
to oppose or resist something strongly
to become extinct gradually; to disappear slowly
to show a strong positive emotion on your face suddenly
to incorporate comments into the next version
to remain strong and not give up under pressure or doubt