to reply to someone’s complaint or message
отвечать на чью-то жалобу или сообщение (otvechat' na ch'yuto zhalobu ili soobshchenie)
"The company promised to write back within 48 hours."
"компания пообещала ответить в течение 48 часов" (kompaniya poobeshchala otvetit' v techeniye 48 chasov)
to regain previous progress or position after a decline
to go to a lower position, level, or rank
to return to a place; to recover something lost
to make a difficult situation less severe or tense
to put all your effort, energy, or enthusiasm into something
to calm down after being angry or upset
