The six-party talks have so fair failed to result in an agreement. The sticking point, officials said Sunday, was North Korea's refusal to abandon all its nuclear programs.

　　"The issue of getting rid of nuclear weapons should be an obvious one, should be an easy one," said Assistant Secretary of State Christopher Hill, the U.S. envoy to the talks.

　　But, he said, given the fact that North Korea had been involved in nuclear weapons programs for more than 20 years, that decision was "difficult" one for them.

　　Sticking point意为“顶住点，关键，症结”，尤指可能造成僵局的要点、问题或形势。

　　据悉，本轮六方会谈开始前，有关各方曾在是否要继续六方会谈，六方会谈是否仍由六方参加等一系列重大问题上发表过各自的主张，各方分歧甚大。在这种背景下，有关六方重新肯定六方会谈的重大意义和价值，而且聚到一起认真会谈，并确立通过和平手段解决朝鲜半岛无核化是各方的共同目标，这本身便是一个巨大成就。

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