In the election he cleverly exploited a legal provision letting voters rank candidates within an electoral block.

在选举中，他巧妙地利用了法律的规定，在每一个选区让选民进行配票。

youdao

Kurdish opposition groups led by the "Goran", or Change block of Nusherwan Mustapha, issued a list of complaints about improper electoral procedures and numerous irregularities during Saturday's vote.

VOA: standard.2009.07.26

Mohammed Said Idries, of the Al Ahram Center for Strategic Studies, says that there are many reasons why the electoral law remains stalled in the Iraqi parliament, but that the quarrel about the identity Kirkuk is one key stumbling block.

VOA: standard.2009.10.26

It was this stance, which first brought it a rich harvest of votes, that proved to be a stumbling block as it fell short of an electoral majority in 1996.

CNN: Behind the BJP's Mask

The Republicans, who have sought to block previous attempts at immigration law reform, learned that they can make little electoral headway if they continue to appeal only for white votes.

BBC: The human traffic jam