比较级： knottier
最高级： knottiest

China 's economy has always been a knotty issue .

中国经济一直是一个棘手的课题。

Structuring a deal could prove exceedingly knotty .

处理好这笔交易是非常棘手的。

The links between these two knotty subjects-the recurrent fiscal crises and the arcana of electoral reform-are complex .

周而复始的财政危机与选举改革幕后的玄机，这两件棘手问题之间存在着错综复杂的联系。

On the knotty but crucial question of how to reduce deforestation and the emissions it causes , progress was scanty .

于此同时，关于如何减少森林采伐并降低它引起的温室气体排放这个棘手而又关键的问题上，至今没有大的进展。

So began a knotty process that will take four years , and is being watched by other general counsels the world over .

因此，麦克莱恩开始了一个棘手的、需要4年的增值历程，并已引起世界各地其它首席法律顾问的关注。