to stop communicating with someone
誰かと連絡を取らなくなる (dareka to renraku o toranakunaru)
"We lost touch after college."
"大学の後、私たちは連絡を取らなくなった。" (daigaku no ato watashitachi wa renraku o toranakunatta)
to remain courageous and confident despite difficulties
to accept that you are capable and worthy
to deliberately provoke or upset someone online
to keep something secret
to make someone understand your emotions clearly
all day and all night; continuously