Definition: full of problems or difficulties Level: C1
他和父亲的关系非常棘手。
He has a very ___problematic relationship with his father.
另一方面，存在一些需要立即关注的有问题的事宜。
On the other hand, there were some ___problematic issues that needed immediate attention.
该地区的经济形势仍然问题重重。
The economic situation in the region remains highly ___problematic.
