Wringer
来自Big Physics
wiktionary
From Middle English wringere, equivalent to wring + -er.
etymonline
wringer (n.)
"device for squeezing water from clothes," 1799, agent noun from wring (v.). (Earlier it meant "extortioner," c. 1300.) Figurative phrase to put (someone) through the wringer first recorded 1942, American English.
