jury is out
还没有确定的决定或结论；还没有达成共识
口语·表达结果未定或不确定
英文释义
the decision or conclusion has not been reached or is still uncertain
例句
The jury is still out on whether the new policy will actually help the economy.
典故来源
源自英美陪审团制度，陪审团退庭商议时结果未定，引申为结论尚未做出。