Trái nghĩa của unproblematic

Tính từ

Opposite of requiring or involving very little or no effort
difficult hard complicated complex arduous strenuous challenging demanding distressing effortful exhausting fatiguing grinding grueling gruelling hazardous insufferable impossible laboured labored laborious merciless painful punishing rigorous rough sapping stressful sweaty taxing testing tiresome torturous trying unbearable unremitting unsparing unyielding agonising agonizing backbreaking bothersome bruising brutal burdensome crippling crushing discomforting distressful draining excruciating extreme formidable grievous harrowing heavy hellish intense intimidating intolerable killer killing knackering marathon mighty moiling onerous operose oppressive painstaking rugged savage shattering staggering sticky tall tedious tiring toilful toilsome tormenting tortuous torturesome tough troublesome troubling unendurable unforgiving unpleasant vigorous wearisome wearing wearying worksome weighty uncomfortable slavish ambitious cruel debilitating involved dicey exacting fierce herculean murderous severe problematic serious thorny unnerving energy-consuming back-breaking daunting intricate elaborate tricky depleting ponderous galling sophisticated unclear cumbersome recondite harsh obscure dangerous uneasy uncompromising precarious impenetrable backbreaker prohibitive tough going Herculean ominous hairy easier said than done nerve-racking high-impact titanic gargantuan not easy uphill hard-won drudgy colossal grim immense no picnic jarring upstream vicious forbidding like getting blood out of a stone solemn ferocious scabrous uphill battle high-pressure problematical abstruse stiff knotty vague unintelligible fancy fiddly inscrutable puzzling daedal perplexing involute involuted detailed convoluted difficult to understand

Đồng nghĩa của unproblematic

unproblematic Thành ngữ, tục ngữ

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