to respond to a message or email
メッセージやメールに返信する (messēji ya mēru ni henshin suru)
"I’ll reply to your email by the end of the day."
"私は今日中にあなたのメールに返信します。" (Watashi wa kyōjū ni anata no mēru ni henshin shimasu.)
to disagree strongly with someone or something
to speak in a way that someone cannot understand
to depend on friends for emotional support
to explain or describe plans in detail
to sympathize with someone’s pain or situation
to sketch a quick version of an idea