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》

World leaders are expected to sign a treaty pledging to increase environmental protection.

人们期望世界领导人们能签署一份承诺加强环境保护的条约。

《柯林斯英汉双解大词典》

They will sign the union treaty only on their terms.

他们在符合自己意愿的条件下才会签署联合条约。

《柯林斯英汉双解大词典》

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

It expired last December. After a year of tough negotiations, Mr.Obama and Mr.Medvedev will sign a treaty to shrink each country's arsenal of strategic deployed nuclear warheads by 25 to 30 percent.

VOA: standard.2010.04.04

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