to withdraw from an agreement or promise
выйти из соглашения или обещания (vyyti iz soglasheniya ili obeshchaniya)
"The government suddenly backed out of agreement with its allies."
"Правительство внезапно вышло из соглашения с союзниками." (Pravitel'stvo vnezapno **vyshe iz soglasheniya** s soyuznikami.)
to refuse to give information or something to someone
to start something quickly and effectively
to manage the speed of a meeting appropriately
to reduce speed or intensity of work
to continue trying to achieve something despite difficulties
to slowly become less close to someone