beaver away
phrasal verb with beaver verb uk/ˈbiː.vər/ us/ˈbiː.vɚ/
UK informal
长时间努力工作
to work hard for a long time
She has been beavering away at that essay for hours. 她忙那篇论文已经忙了好几个小时了。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。