Meaning of hard at work | Babel Free

Definitions

Labouring with great effort and diligence; working hard.

idiomatic

Examples

“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—[…].”

CEFR level