to have the opposite result of what was intended
意図した結果とは逆の結果になる (itoshita kekka to wa gyaku no kekka ni naru)
"His plan backfired and made things worse."
"彼の計画は裏目に出て、状況が悪化しました。" (kare no keikaku wa urame ni dete, jōkyō ga akka shimashita)
a small sign that something good might happen
to make someone very sad, especially in love
to make someone make a mistake; to make an error
to be honest, moral, and respectable
to make a process more efficient and effective by simplifyin...
to think of new and creative ideas