to reduce conflict or hostility between countries
снизить конфликт или враждебность между странами (snizit konflikt ili vrazhdebnost mezhdu stranami)
"Efforts were made to ease tensions between the rival nations."
"Были предприняты усилия для снижения напряженности между враждующими странами." (Byli predprinyaty usiliya dlya snizheniya napryazhyonnosti mezhdu vrazhduyushchimi stranami.)
to express gratitude in a respectful way
to discuss something thoroughly in order to resolve it
to not show or tell others about your emotions
to express anger or frustration by being unpleasant to someo...
to become less strict or critical toward someone
to start working seriously on something important