beavering

They are beavering away to get everything ready for us.

他们正在竭尽全力准备我们所需的一切。

柯林斯例句

She's been beavering away at her homework for hours.

她连续几个小时都在忙着写作业.

《简明英汉词典》

We watch him beavering away at his painting.

我们眼看着他拼命地画.

《简明英汉词典》