由于双方都拒绝妥协，谈判的结果悬而未决。

The outcome of the negotiation ___hangs ___in ___the ___balance as both parties refuse to compromise.

由于栖息地遭到破坏，这种濒危物种的生存悬而未决。

The survival of the endangered species ___hangs ___in ___the ___balance due to habitat destruction.

由于关键证据缺失，审判的裁决悬而未决。

With the crucial evidence missing, the verdict in the trial ___hangs ___in ___the ___balance.