难以
近义词与同义词
按词义分组列出，使用时请结合具体语境。
not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?"
基本解释
1.不能﹔不易。