形容詞 on the fence:

1. characterized by indecision
   同義詞：undecided

1. Mrs Jones has decided to vote for the Democrats, but Mr Jones is still on the fence.
   瓊斯太太已決定投民主黨的票，但是瓊斯先生仍在猶豫之中。
2. Jack sat on the fence for a week last spring before he finally joined the track team.
   杰克去年春天經(jīng)過了一周的考慮，最后決定加入田徑隊。
3. He considered that it is better for him to sit on the fence during the quarrel.
   他認為在這場爭吵中自己還是保持中立為好。