大変

(1) 非常に不快な(very unpleasant)

(2) 消耗といっていいほどの努力によって特徴づけられる特に身体的な努力(characterized by effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace")(characterized by effort to the point of exhaustion)(especially physical effort)

⇒とても疲れる速度を設定する(especially physical effort)

(3) 非常に強いか活発な(very strong or vigorous; "strong winds"; "a hard left to the chin"; "a knockout punch"; "a severe blow")(very strong or vigorous)

⇒厳しい打撃(very strong or vigorous)

(4) 度合いまたは質において、極度にまたは非常に悪いまたは不快な(intensely or extremely bad or unpleasant in degree or quality; "severe pain"; "a severe case of flu"; "a terrible cough"; "under wicked fire from the enemy's guns"; "a wicked cough")(intensely or extremely bad or unpleasant in degree or quality)

⇒悪い咳(intensely or extremely bad or unpleasant in degree or quality)

(5) 困難または試練でいっぱいの(full of hardship or trials; "the rocky road to success"; "they were having a rough time")(full of hardship or trials)

⇒彼らはつらい時期を過していた(full of hardship or trials)

(6) 分岐点または危機の性質を作るか、持つさま(forming or having the nature of a turning point or crisis; "a critical point in the campaign"; "the critical test")(forming or having the nature of a turning point or crisis)

⇒臨界実験(forming or having the nature of a turning point or crisis)

(7) 非常に激しい(very intense; "a bad headache"; "in a big rage"; "had a big (or bad) shock"; "a bad earthquake"; "a bad storm")(very intense)

⇒ひどい嵐(very intense)

(8) 強さか卓越性で非常に印象的な(extremely impressive in strength or excellence; "a formidable opponent"; "the challenge was formidable"; "had a formidable array of compositions to his credit"; "the formidable army of brains at the Prime Minister's disposal")(extremely impressive in strength or excellence)

⇒首相のもとに配置された手ごわい頭脳団体(extremely impressive in strength or excellence)