Beaver away
忙于（某事）, 勤奋工作
🧩 词语组成解析
beaver
[['bi:və]]
n. 海狸(毛皮)\\n[机] 轻型及中型飞机加油
🗣️ 情景例句
That's OK.
没有关系 。
Disgraced may be he who thinks ill.
心怀不端的人是可耻的。
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。