hard at it
hard at it是什么意思、hard at it怎么读
拼命工作, 工作卖力
hard at it汉语翻译
拼命工作, 工作卖力
hard at it例句
- I've been hard at it all the morning.我一上午都在卖力地干。
- The policemen were already hard at it when we reached the scene of the accident.当我们到达肇事地点时，警察们已经在哪里忙开了。