欲ㄩˋyù益ㄧˋyì反ㄈㄢˇfǎn損ㄙㄨㄣˇsǔn

原本想要有所得益，結果反受損害。《文選·司馬遷·報任少卿書》：「顧自以為身殘處穢，動而見尤，欲益反損，是以獨鬱悒而與誰語。」

英wishing for profit, but causing loss (idiom); good intentions that lead to disaster, It all ends in tears.