问题描述： 求flog a dead horse的英文注释 用英语句子解释这个短语要英文的注释 1个回答 分类：英语 2014-10-16 问题解答： 我来补答 flog a dead horse (British,American & Australian) also beat a dead horse (American)to waste time trying to do something that will not succeed (usually in continuous tenses) 展开全文阅读
