ON-THE-JOB
Meaning of ON-THE-JOB in English
ˈon-the-job BrE AmE adjective , adverb [only before noun]
while working, or at work ⇨ in-service , in-house :
on-the-job training
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012