Examples:

• I told you he'd make us sweat blood.
• You've got to sweat blood.
• To weep, and sweat blood in the garden;
• I'll make you sweat blood!
• At least, they know they're done for. They don't have to sweat blood wondering if they are.
• We do not understand why Finnish workers and small entrepreneurs should sweat blood working to pay the debts of gamblers and liars.
• Then, men and women will be truly religious and rationally religious especially, much more so than if they believe in stones that sweat blood or statues that blink their eyes and shed tears.
• I can tell the Assembly that some of my colleagues almost literally had to sweat blood to get support to do something that we thought was very obvious, namely, trimming the report.
• Sweat blood; expel from you all that now is not yours and that you want to consign to the past and oblivion.