英语语法分析

Americans are disturbed to see him improve relations with Pyongyang.

看到他改善与平壤的关系，美国人很是不安。

The policy document does stress the importance of dialogue between Seoul and Pyongyang.

这份政策文件强调了首尔与平壤对话的重要性。

After the UN Security Council imposed the most serious sanctions on Pyongyang, what is needed now is for all parties to show wisdom and patience.

联合国安理会对平壤实施了最严厉的制裁之后，现在需要各方拿出智慧和耐心。