like greased lightning
US /laɪk ɡriːst ˈlaɪt.nɪŋ/
UK /laɪk ɡriːst ˈlaɪt.nɪŋ/

1.
번개처럼, 눈 깜짝할 사이에
very quickly or rapidly
:
•
When the bell rang, the children ran out of the school like greased lightning.
종이 울리자 아이들은 학교 밖으로 번개처럼 달려나갔다.
•
He finished his homework like greased lightning so he could go out and play.
그는 놀러 나갈 수 있도록 숙제를 번개처럼 끝냈다.