It is understood that Cameron will drop his pledge to hold a referendum on the treaty on the grounds that it is impossible to open a treaty that has entered EU law.

据了解，卡梅伦将放弃就《里斯本条约》举行全民公决的承诺，因为已经成为欧盟法律的条约不可能再改变。

youdao

Negotiating a new treaty would be arduous, if not impossible. Instead America is promoting a more informal consensus-building approach.

即使各国可能通过谈判达成新协议，其过程必然艰巨无比，故美国代之以推动各方达成更非正式的建立共识的态度。

youdao

Second, Britain has an impossible list of demands if there is a new treaty.

第二，如果拟定新条约，英国将会有一串不可思议的要求。

youdao

We certainly thought it was impossible that the START treaty would be ratified.

WHITEHOUSE: Press Briefing

EU's initial rejection of emissions trading (done at the behest of green lobbyists) made it impossible for America to stay in the treaty.

ECONOMIST: Climate change

This unverifiable treaty would have made it impossible for the United States to perform the sorts of underground nuclear tests that assure its weapons work when they are supposed to, and don't when they are not.

CENTERFORSECURITYPOLICY: Incoherence on deterrence