Privately, he had huge inhibitions about hustling, but he fought them down and sweated.
But oh, God, those hours while I sweated it out until I saw my mother!
Every time we drove the two hours there, we sweated bullets for fear of being discovered.
While we skulked in the shadows, they had studied and sweated and changed the face of their world.
They sweated it out, expecting ear-burning phone calls, maybe legal suits.
Take these sweated workers; that class o' people are quite 'opeless.
The duke he fretted and sweated around, and was in a mighty sour way.
Because, well, you heard what he said—self-revelation—men who had sweated.
For it he had sweated and slaved; had given his best effort.
You've sweated me all day like a stoker at your work; now go on and finish it up.
Old English swætan "perspire, work hard," from the source of sweat (n.). Meaning "to be worried, vexed" is recorded from c.1400. Related: Sweated; sweating. Colloquial no sweat "no problem" attested from 1963.
Old English swat "sweat," which became Middle English swote, but altered under the influence of the verb, from Proto-Germanic *swaita (cf. Old Saxon, Old Frisian swet, Old Norse sveiti, Danish sved "sweat," Swedish svett, Middle Dutch sweet, Dutch zweet, Old High German sweiz, German Schweiß), from PIE *sweid-/*swoid- (cf. Sanskrit svedah "sweat," Avestan xvaeda- "sweat," Greek hidros "sweat, perspiration," Latin sudor, Lettish swiedri, Welsh chwys "sweat"). Sweat equity is from 1968.
v. sweat·ed or sweat, sweat·ing, sweats
To excrete perspiration through the pores in the skin; perspire. n.
The colorless saline moisture excreted by the sweat glands; perspiration.
The process of sweating.
To affirm with absolute confidence and considerable vehemence: Don called all those short-term signals for Joe. I'd swear to that on a stack of Bibles (1866+)