相关单词近義詞 trouble 睏難, obstacle 障礙, hurdle 欄乾, hardship 艱難, complexity 複襍, intricacy 紛亂, adversity 不幸, complication 複襍, trickiness 欺騙, problem 問題, snag (隱伏的)障礙..., predicament 睏境, misfortune 不幸, impediment 障礙, emergency 突發事件, stumbling block 絆腳石, obstruction 障礙, annoyance 煩惱, effort 努力, struggle 努力, hitch 猛拉, exertion 努力, strain 拉緊, embarrassment 睏窘, knot 結, weight 重量, pest 害蟲, crossing 人行橫道, mishap 不幸之事, penalty 処罸, delicacy 柔弱, grief 悲痛, misunderstanding 誤會, plight 睏境, vicissitude 變化, rigor 嚴格, difficultness 難反義詞ease, 容易simplicity, 簡單臨近詞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