to flog a dead horse

常見例句

雙語(yǔ)例句

• It is useless to flog a dead horse.
  鞭打死馬，徒勞無(wú)益。
  dict.cn
• It is useless to flog a dead horse.
  鞭死馬無(wú)益；勿舊調(diào)重彈。
  edu.sina.com.cn
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