on-the-job

US /ˌɑn ðə ˈdʒɑb/
UK /ˌɑn ðə ˈdʒɑb/
"on-the-job" picture
1.

在職, 工作中

while working; during the course of one's employment

:
He received on-the-job training for the new software.
他接受了新軟體的在職培訓。
Many skills are best learned on-the-job.
許多技能最好在工作中學習。