Physical or mental effort or activity directed toward the production or accomplishment of something.
예문
1. public works (공공 토목 공사) 2. work at American history (미국 역사를 공부하다) 3. We work 35 hours a week. (우리는 1주일에 35시간씩 일한다) 4. work one's employees hard (종업원을 혹사하다) 5. My mother worked herself ill. (어머니는 과로로 병이 나셨다)
