适得其反

shìdéqífǎn

适得其反 — shìdéqífǎn

  1. to produce the opposite of the desired result; to backfire

    他的计划适得其反,问题比原来更严重了。 tā de jìhuà shìdéqífǎn wèntí bǐ yuánlái gèng yánzhòng le — His plan had the opposite effect; the problem became worse than before.