"This is the starting point. Unless there is an end, a real cessation from these activities, it will be difficult for any Palestinian negotiator to come back to the table.

VOA: standard.2009.04.09

Toward the end of his life while he was still 100% lucid, it was more difficult for him to be mobile and to go into organizations.

在他生命的最后当他头脑还百分百清醒时，活动和参加组织活动对他来说更加困难了。

哈佛公开课 - 幸福课课程节选

Foreign meddling makes it all the more difficult to end the war.

ECONOMIST: Afghanistan

But they are also notoriously difficult to end.

ECONOMIST: An old-fashioned price war | The

The researchers chalked this up not just to darker roadways, but also to drivers having a difficult time adjusting to the end of daylight-saving time.

CNN: Daylight-saving time could sabotage your sleep schedule