枉费心机[wǎng fèi xīn jī]
词典contrivances：发明物；发明( contrivance的名词复数 )；发明才能；想出的办法。
词典rack one's brains in vain：徒费心机；白费心机；枉费心机。
词典be an ass [a fool] for one's pains
词典flog a dead horse：徒劳无益；鞭策死马；白费精力；作无用功。
枉费心机[wǎng fèi xīn jī]
911查询·英语单词
rack one's brains in vain; be an ass [a fool] for one's pains; contrivances; flog a dead horse; go on a wild goose chase; rack one's brains [nerves] without results; scheme without avail; try in vain to ...; waste one's contrivances; waste one's efforts; w
1. flog a dead horse：to eat one's cake and have it又要马儿好,又要马儿不吃草 | flog a dead horse枉费心机 | live on air喝西北风过日子
2. to go on a wild goose chase：4. to play a good (poor) game 手法高明(笨拙) | 5. to go on a wild goose chase 枉费心机 | 1. as thin as rake/rail 骨瘦如柴
3. OOXXOX：OOOXOX亊不顺利, 有口舌之争, 要谅解. | OOXXOX劳而无功,枉费心机,办不成事,不理想. | OXXXOX时运不济大小有破财之兆.
4. 枉费心机的反义词
4. to beat a dead horse：9.to let the cat out of the bag 泄密 | 10.to beat a dead horse 枉费心机 | 11.eleventh hour 最后一刻