What does "slave away" mean?

To work extremely hard To toil at something.

How do you use "slave away" in a sentence?

I've been slaving away all day. She slaves away in that kitchen. He slaved away on the project.

Phrasal Verb BritishAmericanAustralian ★★★☆☆ Moderate informal

Meaning: To work extremely hard

拼命工作、累死累活

Trabajar como un esclavo, matarse trabajando

身を粉にして働く、あくせく働く

뼈 빠지게 일하다, 고되게 일하다

To toil at something.

辛苦劳作。

Esforzarse mucho en algo.

何かに苦労して取り組むこと。

무언가에 고되게 매달려 일하다.

Base verb: slave

Particle: away

Separable: No — the verb and particle stay together

I've been slaving away all day.
我一整天都在拼命工作
Me he estado matando trabajando todo el día
一日中あくせく働いていた
하루 종일 뼈 빠지게 일했다.
She slaves away in that kitchen.
她在那个厨房里累死累活
Ella trabaja como una esclava en esa cocina
彼女はあの台所で身を粉にして働いている
그녀는 저 부엌에서 고되게 일하고 있다.
He slaved away on the project.
他在这个项目上拼命工作
Se mató trabajando en el proyecto
彼はプロジェクトに身を粉にして取り組んだ
그는 프로젝트에 뼈 빠지게 매달렸다.

Context: hard work, toiling, exhausting

Tone: exaggerated

From working like a slave.

Era: Modern

Generation: All ages

Social background: Universal