hard at it
UK informalputting a lot of effort into what you are doing:
That's what I like to see - everybody hard at it!
Thesaurus: synonyms and related words
Effort and expending energy
- apply
- assiduous
- be running on empty idiom
- bust a gut idiom
- concentrated
- conscientious
- fight
- jump
- mind
- overcompensate
- pains
- painstaking
- painstakingly
- perseverance
- shot
- slugger
- strenuous
- thirsty work
- trial and error
- work up sth
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