to fail completely
完全に失敗する (kanzen ni shippai suru)
"His idea fell flat because nobody liked it."
"彼のアイデアは誰にも気に入られなかったので完全に失敗した。" (kare no aidea wa dare ni mo kiniirarenakatta node kanzen ni shippai shita)
deceitful; pretending to be friendly while being dishonest
to summarize something briefly
to cause someone to have a new thought or idea
to understand both perspectives in an argument
to show agreement by nodding
to refuse to change your opinion or position