on-the-job

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

在职, 工作中

while working; during the course of one's employment

:
He received on-the-job training for the new software.
他接受了新软件的在职培训。
Many skills are best learned on-the-job.
许多技能最好在工作中学习。