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He's been beavering away at the accounts all morning.
他一上午都在忙于做账。
《牛津词典》
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We watch him beavering away at his painting.
我们眼看着他拼命地画。
youdao
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He has been beavering away at the work for months.
他已认真从事那个工作有好几个月的时间了。
youdao
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He has been beavering away at the work for months.
他已认真从事那个工作有好几个月的时间了。
youdao