相关单词近义词 trouble 困难, obstacle 障碍, hurdle 栏干, hardship 艰难, complexity 复杂, intricacy 纷乱, adversity 不幸, complication 复杂, trickiness 欺骗, problem 问题, snag (隐伏的)障碍..., predicament 困境, misfortune 不幸, impediment 障碍, emergency 突发事件, stumbling block 绊脚石, obstruction 障碍, annoyance 烦恼, effort 努力, struggle 努力, hitch 猛拉, exertion 努力, strain 拉紧, embarrassment 困窘, knot 结, weight 重量, pest 害虫, crossing 人行横道, mishap 不幸之事, penalty 处罚, delicacy 柔弱, grief 悲痛, misunderstanding 误会, plight 困境, vicissitude 变化, rigor 严格, difficultness 难反义词ease, 容易simplicity, 简单临近词diffidence, difficult, difficulty time, difficulty test, difficulty level, difficulty score, difficulty index, difficulty order, difficulty scale, difficulty tests, Difficulty point, difficulty arise 返回 difficulties