Physical or mental effort or activity directed toward the production or accomplishment of something.
예문
1. My mother worked herself ill. (어머니는 과로로 병이 나셨다) 2. water works (수도, 분수) 3. My watch doesn't work. (시계가 섰다) 4. the Ministry of Works (《영》 건설부) 5. work oneself to death (과로로 죽다)
