difficult有哪些近义词?

difficult有哪些近义词? difficult有哪些同义词近义词,除hard外 有谁知道difficult是什么意思? difficult的近义词是什么? difficult 有谁知道difficult是什么意思?zhuyaohanyi difficult有否定意义吗 too difficult的近义词是什么 hard与difficult有什么区别? difficult和trouble有什么区别吗? prove difficult 和 prove to be difficult 有什么区别?The operation proved to be difficult.Rescue operations are proving difficult. 请问有be difficult to do sth 这个词组吗?be difficult XXXXX 还有什么词组? make life difficult 和 make life be difficult 有什么区别?是否正确和区别 The search proved difficult和The search proved to be difficult有什么区别? so difficult as,as difficult as都一样吗?用法上有区别吗? difficult very ill problem student的近义词 difficult有没有名词形式?有怎么写 it's difficult to/for有什么区别?it's difficult to和it's difficult for有什么区别?没有上下文喔句型、翻译等方面说吧