on the job

working

On the Job is the title of a number of films from 1913 to present.On the Job (1913 film) On the Job (1915 film)On the Job (1924 film) On the Job (1931 film) On the Job (2005 film)"On the job" is also U.S. colloquialism for being an active police officer.
See more at Wikipedia.org...

Adjective
1. actively engaged in paid work; "the working population"; "the ratio of working men to unemployed"; "a working mother"; "robots can be on the job day and night"
(synonym) working(a), on the job(p)
(similar) employed
2. watchful and prepared for action; "bird watchers on the alert for a rare species"; "cops were on the job and caught them red-handed"
(synonym) on the alert(p), on the job(p)
(similar) alert

Adjective
1. relating to or associated with a job or employment; "on-the-job training"; "on-the-job requirements"
(pertainym) occupation, business, job, line of work, line

Synonyms and related words:
advertent, agile, agog, alert, alive, all ears, all eyes, assiduous, at it, at work, attentive, awake, aware, bright, busy, careful, concentrated, conscious, diligent, earnest, employed, engaged, finical, finicking, finicky, full of business, hard at it, hard at work, heedful, in harness, intense, intent, intentive, keen, meticulous, mindful, nice, niggling, nimble, observant, observing, occupied, on duty, on the, on the alert, on the ball, on the go, on the hop, on the jump, on the move, on the run, open-eared, open-eyed, openmouthed, prompt, qui vive, quick, ready, regardful, sharp, sleepless, smart, tied up, unblinking, unnodding, unsleeping, unwinking, wakeful, watchful, wide-awake, working
  

AL LAVORO. IN ATTIVITÀ. IMPEGNATO NEL PROPRIO LAVORO