They are demanding certain guarantees before they sign the treaty.

他们要求得到某些保证后才签署条约。

《牛津词典》

The new hearing, brought by his allies in the Czech Senate, neatly ties his hands: he cannot sign the treaty, even if he wants to.

他在捷克参议院的盟友最近要举办听证会，紧抓住他的双手︰他无法签署里斯本条约，即使他想要签。

youdao

The Soviet Union refused to sign the Treaty of San Francisco and publicly stated that the Kuril Islands issue was one of the reasons for its opposition to the Treaty.

苏联拒绝签署旧金山合约，并公开宣称千岛群岛问题是拒绝该条约的原因之一。

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Mr.Singh's comments come in the wake of a United Nations Security Council resolution calling on all countries to sign the treaty.

VOA: standard.2009.09.29

He goes on to say that even though Moscow is working on, and will sign a new treaty, the Kremlin will nevertheless work on the development of its strategic assault forces because Russia cannot protect itself without this.

VOA: standard.2009.12.25

They have refused to sign the treaty, as has Israel, which also has nuclear weapons.

NPR: Nuclear Weapons Gain Importance for Regional Powers

At some point, during coffee perhaps, he would pop off and sign the treaty.

ECONOMIST: Gordon Brown fumbles in Europe

But the United States, Japan's closest ally, refuses to sign the treaty.

CNN: Japan says it will break ranks, sign land mine treaty