adj. 坚固的; 坚硬的; 结实的; 难做的; 难懂的; 难以回答的; 困苦的; 艰苦的; 艰难的
adv. 努力地; 费力地; 艰难地; 猛力地; 猛烈地; 彻底认真地
Oxford 3000 / Collins.5 / BNC.573 / COCA.438
adj.
坚固;坚硬 solid/stiff
不易 difficult
费力;用力 needing/using effort
缺乏同情心 without sympathy
不畏惧 not afraid
事实;证据 facts/evidence
天气 weather
饮料 drink
水 water
辅音 consonants
adv.
努力 with effort
猛力 with force
仔细 carefully
大量 a lot
左;右 left/right
difficult arduous hard tough【导航词义:困难的】
difficult adj. 困难的,不易的
〔辨析〕指因需要努力或技巧而难以做成、理解或处理的。
arduous adj. 费力的,艰巨的
〔辨析〕尤指在一段时间内需耗费大量体力和精力才能完成的。
hard adj. 困难的,艰难的
〔辨析〕指事情不好理解、处理或不容易做的。
tough adj. 难办的,棘手的,费力的
〔辨析〕因存在或将会引发问题等而难以完成或处理的,尤指在情感上难以抉择的。
firm hard inflexible solid【导航词义:坚硬的,结实的】
firm adj. 坚硬的,结实的
〔辨析〕指不软也不是特别硬,但不易变形的。
hard adj. 硬的,坚固的
〔辨析〕指硬实得难以按下、切开、弄碎等的。
inflexible adj. 坚硬的
〔辨析〕指材料很硬,很难或无法弯曲的。
solid adj. 坚硬的
〔辨析〕指固体坚硬结实的。
severe cold-hearted hard harsh【导航词义:严厉的】
severe adj. 严厉的
〔辨析〕形容人时指某人神态严肃的或待人处事要求严格、不讲情面的;形容事物时指法律、批评等异常严厉的,近乎苛刻。
cold-hearted adj. 冷酷无情的,铁石心肠的
〔辨析〕指人的举动令人觉得毫无怜悯之心的。
hard adj. 冷酷无情的,严厉刻薄的
〔辨析〕指对他人过分严厉的、苛刻的。
harsh adj. 严厉的,严酷的
〔辨析〕指对待他人或对他人的批评非常严厉的、苛刻的。
adj.
be hard on sb/sth
drive/strike a hard bargain
give sb a hard time
hard and fast
(as) hard as nails
hard cheese
hard going
hard luck/lines
the hard way
make hard work of sth
no hard feelings
play hard to get
too much like hard work
a hard/tough act to follow
have a (hard/difficult) job doing/to do sth
a hard/tough nut (to crack)
(caught/stuck) between a rock and a hard place
adv.
be/feel hard done by
be hard pressed/pushed to do sth
be hard put (to it) to do sth
be hard up for sth
hard on sth
take sth hard
old habits, traditions, etc. die hard
(hard/hot) on sb's/sth's heels
adj
Synonym: difficult
Synonym: arduousbackbreakinggruelinggruellingheavylaboriousoperosepunishingtoilsome
Synonym: tough
Synonym: concentrated
Synonym: strong
Synonym: intemperateheavy
adv
Synonym: severely
Synonym: firmly
Synonym: heavilyintemperately