1、He's flogging a dead horse in trying to persuade people to use canals instead of roads.
他拼命地勸人不要使用公路而去使用運(yùn)河，真是枉費(fèi)口舌。

2、A dead horse is quite different from a dark horse.
死馬和黑馬又完全不同。

3、You is flogging a dead horse by asking him to lend you money.
你向他借錢是白費(fèi)力氣。

4、You is flogging a dead horse by asking him to lend you money
你向他借錢是白費(fèi)力氣。

5、A dead horse is quite different from a black horse.
死馬和黑馬是不一樣的。

dead horse翻譯