problematic
adjectivedifficult to deal with or to understand; full of problems; not certain to be successful 造成困難的；存在問題的 The situation is more problematic than we first thought. 這局面比我們最初想象的更難對付。 Which are the most problematic countries in the world for journalists? 對於記者來說，世界上最有問題的國家有哪些？
Oxford Collocations DictionaryProblematic is used with these nouns:- aspect
- nature
- situation
- …
Word Originearly 17th cent.: via French from late Latin problematicus, from Greek problēmatikos, from problēma, from proballein ‘put forth’, from pro ‘before’ + ballein ‘to throw’.