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hard at it
adj. 勤劳地工作
例句与用法:
I've been hard at it all the morning.
我一上午都在卖力地干。
The policemen were already hard at it when we reached the scene of the accident.
当我们到达肇事地点时,警察们已经在哪里忙开了。
词形变化:
形容词比较级: harder | 形容词最高级: hardest |
同义词:
difficult | firm | intensely | fast | violently | fiercely | powerfully | rigorously | relentlessly | remorselessly | intense | severe | cruel | arduous | stern | tough | rigid | strict | unyielding | stony | rugged | solid | harsh | inflexible | ugly | rough | callous | unpleasant | strenuously | strong | complicated | laboriously | troublesome | iron | marble | resistant | painful | rigorous | stiff | wicked | afflictive | exacting | exigent | strenuous | relentless | formidable | wretched | violent | with effort | soft | with | effort | easy | vigor | heavy | operose | heavily | concentrated | toilsome | laborious | backbreaking | simple | unvoiced | punishing | grueling | severely | gruelling | surd | voiceless | firmly | intemperately | knockout | intemperate |
反义词:
soft |
形容词 hard and fast:
(of rules) stringently enforced
同义词:hard-and-fast, strict