(adj) characterized by indecision, Syn. undecided, Example:some who had been on the fence came out in favor of the plan; too many voters still declare they are undecided
[坐观成败 / 坐觀成敗, zuò guān chéng bàiㄗㄨㄛˋ ㄍㄨㄢ ㄔㄥˊ ㄅㄞˋ] to sit and await success or failure (成语 saw); to wait to see the outcome of a fight before taking sides; to sit on the fence#258612