on the job

/ˌɑn ðə ˈdʒɑb/
adjective
  1. Happening or done while working at a job, especially as training or experience.
    • The company offers on-the-job safety courses for new employees.
    • She received on-the-job training as a mechanic.
    • On-the-job experience is often more valuable than classroom learning.
Antonyms
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