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Related to sweat blood: hematidrosis
sweat bloodand sweat bullets
Fig. to be very anxious and tense. What a terrible test! I was really sweating blood at the last. Bob is such a bad driver. I sweat bullets every time I ride with him.
to work very hard Some students sweat blood over their dissertation, and others write it in a couple of months.
1. to work very hard He says that writing does not come naturally to him and he sweats blood over every sentence. I sweat blood every week just to earn enough money to feed my family.
2. to feel very worried or anxious We sweated blood as we waited for the police to phone, not knowing if Charlie was alive or dead.
1. Also, sweat one's guts out. Work diligently or strenuously, as in The men were sweating blood to finish the roof before the storm hit. The phrase using guts was first used about 1890, and that with blood shortly thereafter.
2. Suffer mental anguish, worry intensely, as in Waiting for the test results, I was sweating blood. This usage was first recorded in a work by D.H. Lawrence in 1924. Both usages are colloquial, and allude to the agony of Jesus in Gethsemane (Luke 22:44): "And being in an agony he prayed more earnestly: and his sweat was as it were great drops of blood falling down to the ground."
tv. to work very hard at something; to endure distress in the process of accomplishing something. (see also piss blood.) And here I sweated blood to put you through college, and you treat me like a stranger.
1. To work diligently or strenuously.
2. To worry intensely.