| 单词 |
difficult(difficult, hard) |
| 例句 |
difficult, hard
这两个形容词均有“困难”之意。
difficult → 比hard较为正式，侧重需要特别的能力、智力、判断力、技巧或勇气才能克服障碍。也可指深奥或抽象的难题。
hard → 含义广，通俗用词，与easy相对，泛指任何难理解，不好处理或不易做的事。
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| 随便看 |
- twilight(twilight, dawn, dusk)
- twinkle(blaze, flame, flare, glow, glare, flash, glitter, twinkle, light)
- twist(curve, bend, bow, crook, twist)
- type(kind, sort, type, class, classification, category, species, variety)
- typhoon(storm, hurricane, typhoon)
- typical(normal, ordinary, regular, natural, typical)
- unable(disable, unable)
- uncertain(questionable, doubtful, ambigous, uncertain)
- uncertainty(doubt, supicion, distrust, uncertainty)
- uncommon(occasional, uncommon, scare, rare)
- uncover(disclose, expose, uncover, reveal)
- under(below, beneath, under, underneath)
- undergo(undergo, experience, sustain, suffer)
- underground(underground, subway, tube)
- underneath(below, beneath, under, underneath)
- understanding(agreement, contract, treaty, convention, bargain, understanding, accord)
- understand(know, learn, comprehend, understand)
- understand(understand, comprehend, appreciate, apprehend, grasp)
- under(vice, associate, under, deputy)
- uneasy(nervous, restless, impatient, uneasy)
- unfold(unfold, open)
- unfortunate(unhappy, unfortunate, unlucky, disastrous)
- unhappy(miserable, wretched, unhappy, sorry)
- unhappy(sad, unhappy, gloomy, blue, sorrowful, melancholy)
- unhappy(unhappy, unfortunate, unlucky, disastrous)
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