flat out
US /flæt aʊt/
UK /flæt aʊt/
1.
全力以赴, 全速
as fast or as hard as possible
:
•
He worked flat out to finish the project on time.
他全力以赴地工作，以按时完成项目。
•
The car was going flat out down the highway.
汽车在高速公路上全速行驶。
2.
直截了当, 断然
directly and clearly; without hesitation or reservation
:
•
She told him flat out that she wasn't interested.
她直截了当地告诉他她不感兴趣。
•
He denied the accusation flat out.
他断然否认了这项指控。