adverb努力地,艰苦地;猛力地,猛烈地
adjective难做的,难懂的;困难重重的,艰苦的;艰难的;猛烈的,强力的;硬的,坚固的;严厉的,苛刻的
adverba lot
adverbstrongly
adjectivedifficult to do or understand
adjectivefull of problems
adjectivestrong or using a lot of force
adjectivenot soft
adjectivenot kind or gentle