neither an ass nor a horse; neither fish, flesh, nor fowl [nor good red herring]; neither flesh nor fish; neither hay nor grass; neither one thing nor another
Example Sentences:
1.
The author seems uncertain whether he is writing a comedy or a tragedy , so the play falls between two stools 作者似乎拿不定主意是写喜剧还是写悲剧,致使这个剧非驴非马
2.
The author seems uncertain whether he is writing a comedy or a tragedy , so the play falls between two stools 作者似乎拿不定主意是写喜剧还是写悲剧,致使这个剧非驴非马
3.
When you get right down to it , they are simply a band of strange and unusual youth , neither fish nor fowl , adept at flowing with the tide 说到底,他们其实是光怪陆离非驴非马社会中一群得心应手的弄潮儿。