He 's been beetling away at his work all morning .
他整个上午都忙着工作。
I saw you beetling off early at the party .
我见到你早早从宴会中离开。
The assault was so furious , that for one moment , it was inundated with assailants ; but it shook off the soldiers as the lion shakes off the dogs , and it was only covered with besiegers as the cliff is covered with foam , to re-appear , a moment later , beetling , black and formidable .
