Definition
To work extremely hard; to toil relentlessly.
努力工作
I've been working like a dog for the past few months to finish this project.
在过去的几个月里，我一直像狗一样努力工作来完成这个项目。
She has been working like a dog to pay for her college tuition.
她一直像狗一样努力工作来支付她的大学学费。
Even though he works like a dog, his income is still not very high.
尽管他像狗一样努力工作，他的收入仍然不高。