PHRASAL VERB 卖力干；勤奋工作 If you are beavering away at something, you are working very hard at it. 卖力干；勤奋工作
-
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。
SYN work, sweat, slave, persist