to return someone's call or reply later
後で誰かの電話や返事をする (ato de dareka no denwa ya henji o suru)
"I’m busy now, but I’ll get back to you this evening."
"今忙しいけど、今晩あなたに返事するよ。" (Ima isogashī kedo, konban anata ni henji suru yo.)
to remain stable at a certain level or value
to regain faith in others after being betrayed or hurt
to lose control over your emotions and start crying
to expand into new areas or chances for growth
to start a journey; to leave a place
to reduce a student’s grade for an error