But it would be unprecedented for delegates to reject a bill.

但对于代表们，否决一项法案将是史无前例的。

youdao

The first veto of Mr Bush's presidency, in July 2006, was used to reject a bill from a Republican-controlled Congress that would have loosened the restrictions.

06年6月，布什在任内首次使用否决权，否决了当时由共和党控制的国会所提议放宽限制的法案。

youdao

The Farm Bureau is lobbying Congress to reject a pending climate change bill.

VOA: standard.2009.12.12

Peers would only be able to reject a Bill for two years over three successive parliamentary sessions.

BBC: What is the Parliament Act?

At the end of the debate, MPs voted to reject a bid by Tory backbencher Bill Cash to amend the bill by adding the phrase, "The sovereignty of the United Kingdom Parliament is hereby reaffirmed, " by 314 votes to 39, a government majority of 275.

BBC: European Union Bill part two

At the end of the debate, MPs voted to reject a Labour amendment declining to give the bill a second reading by 330 votes to 195, a government majority of 135.

BBC: European Union Bill part 2