When someone is sitting on the fence, they are not making a clear choice between two options. 想象一下一个人坐在一个篱笆上,拿不定主意。sit on the fence,表示某人态度不明确,模棱两可,无法做出鲜明的决断。
Examples:
Don’t sit on the fence when you should make a decision. 当你需要作决断的时候,不要模棱两可。
When Jane and Tom argue, it is best to sit on the fence and not make either of them angry. 当简和汤姆争吵时,最好保持中立,不要忍到其中任何一个人。