hard at work
phrase1
Idiomatic Labouring with great effort and diligence; working hard.
- I'm sorry I can't make it to the party—I'm going to be hard at work all day.
- The relegation of locomotives to storage seemed to be on a very unsystematic basis on all three principal Irish railways: while one member of a class was rusting in a yard, another might be hard at work in revenue-earning service—[…].1959 June 23, R. A. Young, “A Railway Holiday in Ireland—2”, in Railway Magazine, page 416:
- Related terms
- hard at it