work like a dog 拼命工作，忙成狗
work like a horse 辛劳地工作，像牛马一样地干活
同义词组：work hard / plod
Everyday they work like a dog.
If you want to be successful, you must work like a dog .
The lonely old man worked his life away like a work horse.
The boss made his men work like a horse all day long and paid them little.
Work hard, not only for our company but also for yourself, that’s the only way for you and our company keep growing.
1.V-I If you say that someone plods on or plods along with a job, you mean that the job is taking a long time. 苦干
He is plodding on with negotiations.
He plodded away all night at the accounts but didn't finish them in time.
2. V-I If someone plods, they walk slowly and heavily. 缓慢沉重地走
Crowds of people plodded around in yellow plastic raincoats.
We plodded wearily up the road carrying heavy packs.