intractable

1. ADJ Intractable people are very difficult to control or influence. (人) 難對付的[正式]

What may be done to reduce the influence of intractable opponents?

可以做些什麽來削弱難以對付的對手們的影響呢？

2. ADJ Intractable problems or situations are very difficult to deal with. 棘手的[正式]

The economy still faces intractable problems. 經濟依然麪臨一些棘手的問題。