释义 |
●be banging, etc. your head against a brick ˈwall (informal) try for a long time to achieve sth, persuade sb to do sth, etc. without success 徒劳无益;枉费心机◆I realized they weren’t even listening to my protests. I was just banging my head against a brick wall.我意识到他们压根儿没有听我的抗议,我不过是在白费劲。 |