Meaning of the word "sweat blood" in English

What does "sweat blood" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sweat blood

US /swɛt blʌd/
UK /swɛt blʌd/

Idiom

to work extremely hard, often under difficult conditions

Example:
I had to sweat blood to finish the project on time.
They sweat blood for years to build their business.