むずかしい (translations)→ advanced bad critically heavy important nervous poorly problematic quizzical thorny tight tough
扱いにくい (translations)→ bastard churlish cumbersome demanding difficult unhandy unwieldy
意地悪な (translations)→ abusive ruffian snotty spitefulness unkind
一筋縄ではいかない (translations)→ heady nasty
派手な (translations)→ big bright brightly coloured debonair defiant dramatic extensive fair fancy flamboyant flashy flowery glitzy jazzy loud lurid luxuriant notable ornate productive radiant satisfactory show-off slashing spectacular vividly
物騒な (translations)→ dangerous grubby murderous unsafe wild
厄介な (translations)→ delicate exhausting gruelling irksome onerous puzzling uphill
微妙な (translations)→ be nuanced delicacy ingenious sensitive sophisticated subtle