They had a team of architects beavering away at a scheme for the rehabilitation of District 6. [V P + at/on]
他们有一支建筑师队伍正在全力制订修复第6区的计划。
They are beavering away to get everything ready for us. [VERB PREP.]
他们正在竭尽全力准备我们所需的一切。
See also: beaver away
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