| 词汇 | work at something |
| 释义 | work at something phrasal verb with work verb uk/wɜːk/ us/wɝːk/ B2 致力于…；在…上下功夫 to try hard to achieve something Most couples would agree that for a marriage to succeed, both parties have to work at it. 大多数夫妻都会认同，婚姻的成功需要双方的努力。 [ + -ing verb ] You need to work at improving your writing. 你需要在提高写作能力上下下功夫。
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